6. all living things grow and develop.
a. true
b. false
7. which statement best explains why viruses are considered to be nonliving?
a. they are able to be viewed with a microscope
b. they are unable to reproduce independently
c. they lack genetic material
d. they have different types of proteins
8. which characteristic of life does the image below represent?
image of a seed growing into a plant
a. pass identical traits to offspring
b. grow and develop over time
c. made of one cell
d. consume oxygen to breathe
9. a student places a spider and several stones and pebbles in a clear, plastic container. the student adds food and water to the container every day in an effort to determine which objects in the container are living or nonliving. which criteria does the student use as the basis for the classification of the objects?
a. ability to reproduce
b. ability to move
c. ability to pass traits to offspring
d. ability to use food for energy
10. are viruses considered living or nonliving? provide one example of evidence to support your answer.

Question

6. all living things grow and develop.
   a. true
   b. false
7. which statement best explains why viruses are considered to be nonliving?
   a. they are able to be viewed with a microscope
   b. they are unable to reproduce independently
   c. they lack genetic material
   d. they have different types of proteins
8. which characteristic of life does the image below represent?
   image of a seed growing into a plant
   a. pass identical traits to offspring
   b. grow and develop over time
   c. made of one cell
   d. consume oxygen to breathe
9. a student places a spider and several stones and pebbles in a clear, plastic container. the student adds food and water to the container every day in an effort to determine which objects in the container are living or nonliving. which criteria does the student use as the basis for the classification of the objects?
   a. ability to reproduce
   b. ability to move
   c. ability to pass traits to offspring
   d. ability to use food for energy
10. are viruses considered living or nonliving? provide one example of evidence to support your answer.

Accepted Answer

### Question 6
# Brief Explanations:
One of the key characteristics of living organisms is growth and development. All living things, from single - celled organisms to complex multicellular organisms, undergo growth (increase in size, mass) and development (changes in form and function over time). So the statement "All living things grow and develop" is true.
# Answer:
a. True

### Question 7
# Brief Explanations:
- Option a: The ability to be viewed with a microscope is not a defining characteristic of living or non - living things. Many non - living things like some crystals can be viewed under a microscope, and many living things can too. So this is not a reason for viruses being non - living.
- Option b: Viruses cannot reproduce on their own. They need to invade a host cell and use the host cell's machinery to replicate. Reproduction is a fundamental characteristic of living things, and since viruses lack independent reproduction, this is a key reason they are considered non - living.
- Option c: Viruses do have genetic material (either DNA or RNA), so this statement is false.
- Option d: The presence of different types of proteins is not a reason to classify them as non - living. Many living things also have different types of proteins.
# Answer:
b. They are unable to reproduce independently

### Question 8
# Brief Explanations:
The image shows the stages of a seed germinating and a plant growing. The process from a seed to a seedling with roots and shoots developing shows that the plant is growing (increasing in size, developing new structures) and developing (changing from a seed to a more complex plant structure).
- Option a: The image does not show the passing of traits to offspring, it shows the growth of a single plant from a seed.
- Option c: The plant in the image is a multicellular plant, and the image is about its growth, not about being made of one cell.
- Option d: The image does not show the process of consuming oxygen for breathing (respiration), it shows growth and development.
# Answer:
b. Grow and develop over time

### Question 9
# Brief Explanations:
- Option a: The student is not observing reproduction in this setup. The spider is in the container, but there's no indication of reproduction being tested.
- Option b: Stones and pebbles don't move on their own, but the spider does. However, movement is not a definitive characteristic of living things (e.g., some plants don't move, but they are living). So this is not a good basis for classification.
- Option c: The setup does not involve the passing of traits to offspring. There's no breeding or inheritance being tested here.
- Option d: The student adds food and water. Living things (like the spider) use food for energy (through processes like cellular respiration), while non - living things (stones, pebbles) do not use food for energy. So this is the basis for classification.
# Answer:
d. Ability to use food for energy

### Question 10
# Brief Explanations:
Viruses are considered non - living. One piece of evidence is that they cannot reproduce independently. They need to enter a host cell and hijack the host cell's metabolic machinery to make more virus particles. Living things are capable of reproducing on their own (either asexually or sexually). Also, viruses do not carry out metabolic processes (like respiration, obtaining and using energy from food) on their own. They depend on the host cell for all metabolic activities.
# Answer:
Viruses are considered nonliving. Evidence: Viruses cannot reproduce independently (they require a host cell to replicate) or Viruses do not perform metabolic processes on their own (they rely on host cells for energy and other metabolic functions).

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