Biologie
Zellbiologie, Genetik, Ökologie und Grundlagen der Lebenswissenschaften.
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a big tree falls over in a forest. over time, what happens to the nutri…
The nutrients are broken down by decomposers.
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energy enters an ecosystem as sunlight, is converted by plants into che…
B. a one - way pathway through the ecosystem
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which statement is true of carriers? select all that apply. a) they can…
A) They can pass a gene for a recessive disorder, B) They have one dominant allele, D) They are heterozygous for a recessive disorder
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plowing a field starts which type of succession? secondary tertiary pri…
A. secondary
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select choice produces huskies strong enough to pull sleds. select choi…
Hybridization
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what happens to the biodiversity of an area undergoing succession over …
A. It gradually increases as more species colonize the area.
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in a food chain, which of these trophic levels would have the least amo…
secondary consumers
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in an ecosystem, organisms use up chemical energy. what is most of the …
B. heat (assuming the options are labeled with identifiers, here the middle option is heat, so the answer is the option with "heat", e.g., if the options are A. light, B. heat, C.…
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which type of species competition is shown here? (these two are the sam…
A. intraspecific
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which symbiotic interaction involves one animal killing and eating anot…
A. predation
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what are the two different categories of niches that species can fall i…
C. generalist and specialist (assuming the third option is labeled C; if the options are presented as first, second, third, then "The third option: generalist and specialist")
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a turtle who eats berries is an example of which trophic level? carnivo…
B. Primary Consumer
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saying that a deer is a primary consumer identifies what about the deer…
A. its trophic level
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examine the graph, then answer the questions below. 2. a population of …
A. The population size is increasing. B. The population size stopped increasing because it had reached the largest number of coyotes that the ecosystem could support.
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50 multiple choice 10 points which of the following is not a shared cha…
C. four - chambered heart ### Question 51
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read the text. i think we can all agree that one of the best things abo…
The benefits of getting food delivered outweigh the problems experienced with orders.
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categorize the following descriptions as hybridization or inbreeding. d…
1. Disadvantages: expensive and time consuming → Hybridization 2. Disadvantage: harmful traits can be passed on → Inbreeding 3. Ensures that a trait is passed on → Inbreeding 4. T…
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genetic recombination occurs when new gene combinations are produced by…
True
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an organism with the genotype dd for a trait is __. select all that app…
B) dominant, D) homozygous
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the following are characteristics of plants except: multicellular with …
C. heterotrophic ### Question 48 (Transpiration - Cohesion - Tension Mechanism):
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question 8 of 10 the level of which hormone increases after ovulation? …
B. Progesterone
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45 multiple choice 10 points which of the following is a synapsid? mous…
A. Mouse ### Question 46
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lesson 1 launch populations and communities scientists use the words po…
C. Population describes all the organisms of the same species living in the same area at the same time; community describes all the populations living together in the same area at…
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question 7 of 10 which of these organs produces hormones under the infl…
D. Ovary
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y = green seeds ry ry ry ry ry a ry b ry ry c complete the table below …
For Offspring A: - Genotype: \( RRyy \) - Phenotype: Round green seeds For Offspring B: - Genotype: \( RRyy \) - Phenotype: Round green seeds For Offspring C: - Genotype: \( rrYY …
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question 6 of 10 which organ is associated with the production of testo…
B. Testicle
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the tall allele, t, is dominant to the short allele, t in mendel’s pea …
A. TT B. Tt
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planning after lesson 3 in preparation for your report, construct an ex…
A volcanic eruption releases large amounts of carbon dioxide (\(CO_2\)) into the atmosphere. This increases the amount of \(CO_2\) available for plants to take in during photosynt…
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multiple choice 10 points the earth itself is roughly ___ years old. ○ …
A. 4.5 - 4.6 Billion ### Question 2 (Snail's class):
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carbon 14 degrades to form nitrogen and has a half life of 5730 years. …
It will decrease as the amount of nitrogen rises ### Second Question (Which is a mammal)
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question 46 (mandatory) (2 points) listen what is the name of the dista…
a) Step
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tongue-rolling ability is a dominant trait, which is represented by t. …
Filling the table as follows (key selections): - First "Rolls tongue" (Dominant/Recessive): Dominant - First "Rolls tongue" (Homozygous/Heterozygous): Homozygous - Second "Rolls t…
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37 multiple choice 10 points the development of what led to land becomi…
B. Oxygenic Photosynthesis ### Question 38
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for tongue rolling, an individual can have the alleles tt or tt. these …
First Select Choice: homozygous Second Select Choice: heterozygous
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foot supination is a combination of all of the following except? a) inv…
c) Adduction
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the proliferative phase is labeled _______. options: c, a, d, b
B. B
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which of the following is the most inferior portion of the uterus? fund…
C. cervix
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what part of the brain is known as the gateway to the cerebrum because …
C. Thalamus ### Second Question (Organism with Continual Airflow):
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multiple choice question 26.27 1 part -- of 1 point what is the action …
D. LH stimulates interstitial cells of the testes to produce testosterone.
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elbow flexion is a ______ class lever. a) 3rd b) 1st c) 4th d) 2nd
a) 3rd
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determine whether the following statements are true of the lytic cycle,…
s (matching each statement): 1. Infected cells have viral genes permanently: $\boldsymbol{\text{Lysogenic}}$ 2. Viral genes remain dormant for months or years: $\boldsymbol{\text{…
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question # 3 multiple choice men who are kidnapped for human traffickin…
soldiering (the option with the label "soldiering")
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cervical flexion is an example of a first class lever. true false
True
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what is the maturation process in which spermatids elongate and shed ex…
D. spermiogenesis
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32 multiple choice 10 points intercalated discs are a major feature of …
C. Cardiac muscle ### Question 33
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why might bacteria create an endospore? select all that apply. a) ideal…
B. lack of water, C. extreme temperature change, D. large amounts of UV radiation, E. lack of nutrients
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30 multiple choice 10 points developmentally and evolutionarily, what t…
A. Cartilage ### Question 31
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multiple choice question 26.10 1 part | -- of 1 point sperm in the epid…
A. ductus deferens.
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the leading hypothesis for the origin of nvcjd is that prions are trans…
False
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28 multiple choice 10 points your patellar ligament (which helps you ra…
A. Dense regular ### Question 29
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question 37 (mandatory) (2 points) listen during screw-home mechanism o…
b) The tibia externally rotates with knee extension
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chapter 26 chapter test question 2 1 part -- of 1 point which structure…
D. urethra
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chapter 26 reading question 2 1 part | -- of 1 point synapsis and cross…
C. prophase I of meiosis
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a protein that can cause diseases or infection is called a prion. true …
True
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the lysogenic cycle is a viral replication process in which viral dna i…
True
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knee flexion is an example of which class lever? a) 1st b) 2nd c) 4th
b) 2nd
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chapter 26 reading question 4 1 part | -- of 1 point the stem cells tha…
A. spermatogonia
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the evolution and spread of grasses on earth has been associated with w…
A. Global cooling ### Question 2 (Epithelial tissue):
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which of the following are characteristics of prokaryotes? select all t…
A) genes are contained in the nucleoid, D) unicellular organisms, E) have a polysaccharide capsule surrounding the cell, G) have no organelles
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chapter 26 chapter test question 3 1 part -- of 1 point which of the fo…
B. seminal vesicles
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multiple choice 10 points an epithelial membrane comes from endoderm ec…
D. Any of the above ### Question 24 (earliest fossil evidence for life on Earth):
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multiple choice question 26.01 1 part of 1 point complete this analogy:…
C. gametes
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match each prokaryotic characteristic to its definition. definition for…
1. Form of reproduction: Conjugation 2. Area with circular chromosome: Nucleoid 3. Dormant bacterial cell: Endospore 4. Polysaccharide layer: Capsule 5. Asexual reproduction: Bina…
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the lysogenic cycle is a viral replication process in which genetic mat…
False
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multiple choice 10 points what nutritional deficiencies have we inherit…
Inability to make aromatic amino acids ### Question 2 (Fish Closest to First Amphibians)
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sea squirts or tunicates are an example of which of the 3 subphyla of c…
A. Urochordata (assuming the first option is labeled A, with the text "Urochordata") ### Question 2 (Nematode worms' classification)
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match the vocabulary term to its definition. definition - a protein tha…
1. a protein that can cause infection or disease: Prion 2. nonliving strand of genetic material that cannot replicate on its own, has a nucleic acid core, a protein coat, and can …
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17 multiple choice 10 points elevation of the _______ pushes the glotti…
D. larynx (voice box) ### Question 18
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which of the following are not a shape of bacteria? select all that app…
A) flagella, D) cilia, E) fibonacci, G) pilus
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place the labels on the correct structure of the bacterium.
(Assuming typical bacterial structure labels: from top (pili), then cell wall, cell membrane, cytoplasm, nucleoid, and flagellum at the bottom right. The labels would be placed as…
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fill in the blanks with the appropriate words to complete the dialogue.…
1. por qué 2. porque 3. verdad 4. cómo 5. dónde 6. quién
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multiple choice 10 points to reproduce sexually, bryophytes require hig…
C. water around the gametes ### Question 14 (Bird's Gizzard)
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drag the labels to the correct component of the virus. fiber capsid pro…
(Assuming a typical virus diagram with parts: Tail Fiber, Capsid, Capsomere, Core) - Fiber → Tail Fiber (attachment region) - Capsid → Protein Coat (encloses genetic material) - P…
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nervous system worksheet period 1. the diagram below is of a nerve cell…
Natural Science - Biology
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viral dna is integrated with the genetic material of a host cell during…
lysogenic cycle
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fill in the blanks with the appropriate words to complete the dialogue.…
1. Por qué 2. Porque 3. verdad 4. cómo 5. Cómo (assuming the last blank is about how the class is or something, but based on the options, this is the best fit)
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3. there are three different kinds of neurons or nerve cells. match eac…
First row (Kind of neuron): B. Sensory neuron Second row (Kind of neuron): C. Relay neuron Third row (Kind of neuron): A. Motor neuron
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tracheids are a structure in plants which... carries the gametophyte is…
Carries fluids and enables vertical growth by providing vascular tissue ### Question 12 (First Plants' Ancestor):
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a dormant cell produced by bacteria to withstand harsh conditions is ca…
endospore
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1) there are three different kinds of neurons to name, label, match eac…
1. C. Tap root 2. B. Storage root 3. A. Root hair
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which of the following products can humans make using bacteria? select …
A) yogurt, E) antibiotics, F) cheese
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multiple choice 10 points most lichens belong to what fungal phylum? ○ …
B. Ascomycota ### Question 10 (Which of these determines its embryonic cell's fates the earliest during development?)
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which of the following motions contribute to the hips close - packed po…
Extension, Abduction, Internal rotation
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multiple choice 10 points in a dikaryotic cell, (n + n) when the two nu…
B. Karyogamy ### Question 8
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5 multiple choice 10 points cephalization is known to be related to the…
B. Bilateral Symmetry ### Question 6
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nerve impulses the synapse circle the correct answer. 31. nerve impulse…
31. do not 32. increases 33. an excess 34. postsynaptic 35. presynaptic 36. neurotransmitter 37. communicate 38. specifically 39. sleep 40. pain
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multiple choice question 26.58 1 part -- of 1 point which of the follow…
C. ovulation (assuming the options are labeled A. implantation, B. fertilization, C. ovulation, D. menstruation; since the original options didn't have labels, we use the standard…
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multiple choice question 26.55 1 part -- of 1 point in a female, follic…
C. ovaries.
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which is the best way to complete the text? polar bears have translucen…
sunlight; this
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3 multiple choice 10 points which part of your brain is referred to as …
B. Thalamus (assuming the options are labeled with letters, if not, the option with "Thalamus") ### Question 4
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86 chapter 6: the nervous system finally, an understanding of the auton…
1. B. Ear 2. C. Brain and spinal cord 3. D. Nerves that extend to the outlying parts of the body 4. A. Subdivision of peripheral nervous system 5. B. Branching projection of neuro…
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1 multiple choice 10 points what is the name of the substance which hel…
A. Myelin (assuming the first option is labeled A, adjust identifier if needed) ### Question 2
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a young female has begun taking herbal supplements that mimic the effec…
D. She will most likely not menstruate because mimicking the effects of progesterone will maintain her endometrial lining.
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cells of nervous system select the correct term from the choices given …
11. A. Neurons 12. B. Neuroglia 13. B. Neuroglia 14. A. Neurons 15. A. Neurons 16. B. Neuroglia 17. B. Neuroglia 18. A. Neurons 19. B. Neuroglia 20. B. Neuroglia
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completa la conversación con la forma correcta del verbo más apropiado …
estudiamos
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multiple choice question 26.26 1 part of 1 point which of the following…
B. testosterone
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multiple choice question 26.09 1 part of 1 point where does sperm produ…
D. seminiferous tubules
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right sacroiliac flexion occurs about the _______ axis. a) transverse a…
b) Left oblique axis
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multiple choice question 26.04 1 part -- of 1 point the fusion of sperm…
C. fertilization
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part 3: matching match each item to the correct description. a. debt b.…
8. B. Treaties 9. D. Texas Rangers 10. A. Debt 11. C. San Jacinto