生物
细胞生物学、遗传学、生态学与生命科学基础。
-
2 fill in the blank 2 points index fossils were left by species that li…
For the first blank (method to determine absolute age): radiometric dating For the second blank (property of isotope used): half - life ### Question 3 (Multiple Answer)
-
the bear cub was as playful as a puppy, wrestling with toys and snuffli…
C. So the cub would not imprint on humans
-
read the story. 9 \please? its important.\ 10 pause. \okay. be right th…
Drifen is willing to make time for Roxpada.
-
the phryges olympic summer games paris 2024 before the paris 2024 olymp…
C. Activity and sports are good for you.
-
every two years, new superstars shine at the olympics. these icons migh…
B. The French mascots represent native fauna, while the Australian mascots are based on a historical emblem.
-
the phryges olympic summer games paris 2024 before the paris 2024 olymp…
B. The French mascots represent native fauna, while the Australian mascots are based on a historical emblem.
-
question 12 (1 point) which star may once have been similar to our sun …
40 Eridani B
-
question 5 (1 point) the final stage in the life cycle of the most mass…
black hole
-
respect is a value that is important to heidi. which of the following b…
D. Having friends who admire her for sticking to her morals (assuming the options are labeled A - D in order, with the last option being D) ### Second Question (Jake's snowboardin…
-
2 conduction systems regulate heart activity: 1. autonomic nervous syst…
### Filling in the Blanks (Heart Conduction and Sounds) #### 1. Autonomic Nervous System - The autonomic nervous system (sympathetic and parasympathetic divisions) regulates heart…
-
40. why are animal gametes haploid? ○ gametes have two copies of each c…
B. Haploid egg and sperm cells combine to create a diploid individual.
-
39. what type of animal symmetry also includes the formation of a head?…
Those with bilateral symmetry display cephalization.
-
37. which group of organisms evolved first? reptiles mammals fish amphi…
fish
-
36. ardipithecus ramidus had a small, chimpanzee - like body that was a…
the trees
-
33. mammals have backbones. which word in the list below is a synonym f…
vertebra
-
31. which type of feather gives the bird its color? ○ flight ○ down ○ b…
contour
-
30. during what part of the life cycle can an amphibian have both gills…
metamorphic
-
27. which of the following is characteristic of all birds? autotrophic …
endothermic
-
26. which phrase describes radial symmetry? radial symmetry can be like…
Radial symmetry can be likened to a pizza or bicycle wheel, where all the parts are equal and arranged around a central axis.
-
question 4 2 pts which of the following are benefits of biodiversity? s…
- many modern medicines were originally isolated from plants, animals and microbes - provides sustained food security due to a wide variety of crops to help withstand disease (bli…
-
hidden hopes david adjusted his backpack and continued his trek through…
A. The motionless horses "tethered to rusted poles" are a picture of how David now feels being in country with "nothing better to do." The carousel is becoming symbolic of David’s…
-
24. dead echinoderms are naturally recycled to make which product? ○ th…
They are the main ingredient in limestone.
-
22. cephalochordates have a backbone that extends from their tail to wh…
their head
-
part c - family riddles complete each sentence based on the family desc…
1. hermano 2. abuelo materno 3. madre 4. tía materna 5. padre
-
20. what are common features of animals? all animals are haploid, heter…
All animals are diploid, heterotrophic, multicellular, have no cell wall, and reproduce sexually.
-
19. how do mammals conserve their heat? ○ with their hair ○ through the…
A. with their hair
-
18. which are muscles of the leg? ○ gastrocnemius and quadriceps ○ card…
gastrocnemius and quadriceps
-
17. which order of amphibian contains frogs and toads? ○ annelida ○ anu…
B. Anura
-
16. what were the first vertebrates to evolve? ○ amphibians ○ jawed fis…
jawless fish
-
very little is known about the role nocturnal insects, such as moths, p…
A. To describe an approach a team of scientists used to study pollinators
-
using nasa’s powerful james webb space telescope (jwst), mercedes lópez…
B. It describes how researchers made a scientific discovery, then explains the importance of that discovery.
-
14. how many dorsal fins do lobe-fin fish have? ○ 2 ○ 3 ○ 1 ○ 4
2
-
review \failure a stepping stone to success.\ which structural element …
First part: a piece of supporting evidence. Second part: to provide pertinent examples that relate to the text's main argument.
-
look at these details from a paragraph about the same topic: • to be pr…
Astronauts complete a lot of training before going into space.
-
11. some snakes are able to detect infrared light using photoreceptors.…
Because the photoreceptors connect to the visual areas of the brain.
-
9. which kind of symmetry is shown by an adult echinoderm? radial trira…
radial
-
8. which of the following is a reptile? ○ newt ○ salamander ○ snake ○ t…
snake
-
7. which is not a characteristic of all vertebrates? paired appendages …
B. an exoskeleton
-
6. which is not a function of the muscular system? ○ sensing the enviro…
sensing the environment
-
5. which of the following is a characteristic of all reptiles? - are fu…
are ectothermic
-
4. in humans, which embryonic structure develops into ear canals and th…
pharyngeal slits
-
3. which specialized structure do nocturnal primates use to see better …
a. a tapetum lucidum
-
drag each label to the correct location on the image. classify the even…
External Conflict: tensions between Hamlet and Claudius, Hamlet's duel with Laertes Internal Conflict: Hamlet's contemplation of suicide, Hamlet's frustration with his inability t…
-
drag each label to the correct location on the image. identify each exa…
internal conflict: a dieting man avoiding cookies internal conflict: a student choosing between videogames or studies external conflict: a king battling another king external conf…
-
now, describe how each drug works in terms the patient will understand.…
1. "Increases the amount of insulin released from the pancreas and slows the absorption of sugars" - Incretin Therapies 2. "Increases the amount of insulin released from the pancr…
-
drag each drug classification to the description of how it works. descr…
- Stimulates beta cells in the pancreas to secrete insulin: Second - Generation Sulfonylureas - Decreases insulin resistance and increases insulin sensitivity in muscle, liver and…
-
how did the united states demonstrate its isolationist policy before wo…
by avoiding alliances and other international relationships
-
roosevelts four freedoms speech signaled a shift in us foreign policy f…
B. internationalism.
-
select the correct answer from each drop - down menu. the image shows t…
First dropdown: sympatric speciation Second dropdown: temporal
-
select the correct answer from each drop - down menu. the images show f…
the Archaeopteryx came after dinosaurs but before birds
-
hitler’s earliest involvement with the nazi party resulted in a year sp…
a year spent in prison.
-
question #8 the cygnus flume lichen is native to northern european fore…
B. It proposes a broad principle that is evidenced by the interaction between Cygnus flume lichen and Agonopterix heracliana.
-
6. everyone in squidward’s family has light blue skin, which is the dom…
A. Genotype: $Bb$; Phenotype: Light blue skin B. 100% C. 0% D. No, they would not be purebreds. All children have the heterozygous genotype $Bb$, while purebred individuals have a…
-
which of these allows you to distinguish between scents? mechanorecepto…
chemoreceptors in the nose
-
4. what is the major difference between rays and skates? - rays give bi…
rays give birth to live offspring, while skates lay eggs
-
3. which of the following is a characteristic of a cartilaginous fish? …
dermal denticles
-
1. which is a cartilaginous fish? coelacanth chimaera pufferfish sunfish
chimaera
-
2. which of the following fish are bilaterally flattened? ○ coelacanths…
rays
-
4. what type of protozoa move by producing extensions of their cytoplas…
sarcodines
-
which period in history is credited with the establishment of isolation…
Middle Ages
-
3. which of the following is the relatively smallest organism? viruses …
viruses
-
2. what characteristic do protozoa display? ○ prokaryotic ○ motile ○ au…
B. motile
-
1. which species of protozoan causes the african sleeping sickness? try…
Trypanosoma brucei gambiense
-
4. what are mycelium? reproductive bodies produced from the basidia mat…
densely packed networks of fine filaments
-
3. which phylum is a group of miscellaneous fungi that dont fit into th…
Deuteromycotes
-
2. what is it called when a relationship between organisms is mutually …
symbiosis
-
1. what type of asexual reproduction do fungi use? fragmentation conjug…
Fragmentation
-
what does the personification in this text suggest? it was the early af…
There were occasional gusts of wind.
-
2. how does base pairing differ in rna, compared to dna? t pairs with u…
D. A pairs with U
-
1. what nucleotide base in dna is replaced by uracil in rna? adenine th…
thymine
-
4. what is the major structural difference between dna and rna? dna is …
DNA is double stranded, while RNA is single stranded.
-
3. what are the steps involved in the process of how mrna is produced d…
elongation, initiation, termination
-
4. which type: of passive transport refers to the movement of only wate…
osmosis
-
3. which of the following statements describe situations of passive tra…
- Water is moved across a membrane to dilute a molecule that is highly concentrated on the other side. - A cell removes specific molecules through a membrane based on size. - A mo…
-
2. sometimes large molecules that cannot cross a membrane develop a ver…
osmosis
-
1. when new molecules are introduced to one isolated area of a solution…
diffusion
-
1. what is the term that describes a collection of metabolic reactions …
metabolism
-
2. which of the following statements is true about enzymes and substrat…
Each enzyme has specialized sites that only fit certain substrates.
-
3. what is the name of the model given to the relationship between an e…
lock and key
-
3. which of the following organelles is responsible for providing a bar…
cell membrane
-
2. which of the following organelles packages proteins and other materi…
Golgi apparatus
-
1. which of the following best describes all organelles? parts of the c…
parts of the cell that carry out the basic functions of living things
-
mission 1: fill in the blanks using the word bank protein cytoplasm mrn…
translation ### Question 2
-
during george washingtons presidency, what was the major reason for con…
B. the distribution of power between the federal government and the states
-
2. which of the following statements best describes the importance of c…
D. Carbon provides structure and affects the function of a cell.
-
multiple choice question a population consists of the immature individu…
D. interbreeding members of the same species.
-
multiple choice question a precise definition of evolution is the chang…
D. genetic change in a population over multiple generations.
-
multiple choice question due to a process called convergent evolution, …
D. similar characteristics
-
multiple choice question what would be a concise definition of evolutio…
C. change in inherited traits over many generations
-
multiple choice question in a population of 1,000 individuals with a ge…
0.4 (corresponding to the option with 0.4)
-
fill in the blank question interbreeding members of the same species co…
population
-
multiple choice question genetic change in a population, such as a chan…
D. evolution
-
multiple choice question one definition of ______ is \changes in traits…
B. evolution
-
select the correct answers from each drop - down menu the tentacles of …
1. The tentacles of an octopus and the limbs of a lizard perform the same function but have a different evolutionary lineage. Therefore, they are **analogous** 2. The front legs o…
-
select the correct answer from each drop - down menu. the tentacles of …
1. The tendrils of an octopus and the limbs of a lizard perform the same function but have a different evolutionary lineage. Therefore, they are **analogous** 2. The front legs of…
-
identify the correct answer. what does the hardy-weinberg principle rel…
B. frequency of alleles in a population
-
select the correct answer. a river has different populations of lamprey…
B. The population of paddlefish will decrease, while the population of zooplankton will increase
-
select the correct answer some tortoises that feed on grasses were obse…
A. The tortoises will develop longer necks
-
select the correct answer from each drop - down menu. the images show f…
First dropdown: they share a common ancestor Second dropdown: dinosaurs have limbs. So, it can be concluded that they share a common ancestor
-
select the correct answer from each drop - down menu. sharks, whales, a…
1. (First blank completion) traits evolved independently for aquatic life (or more precisely, the common ancestor was a distant, non-aquatic organism, so the shared aquatic featur…