Question

carrying capacity:
a is made up of an animals food and water needs
b can be changed by nature or humans
c is the same thing as habitat
d always remains the same

Explanation:

Carrying capacity refers to the maximum number of individuals of a species that an environment can sustainably support. It is influenced by various factors such as food, water, space, and other resources.

• Option A: Carrying capacity is not just about an animal's food and water needs. It also includes other resources like space, shelter, etc. So, this option is incorrect.
• Option B: Nature (e.g., natural disasters like floods, wildfires that can destroy habitats and reduce resources) and humans (e.g., deforestation, pollution which can also impact the availability of resources for species) can change the carrying capacity. This option is correct.
• Option C: Habitat is the place where an organism lives. Carrying capacity is about the number of organisms an area can support. They are not the same. So, this option is incorrect.
• Option D: As mentioned above, due to natural and human - induced changes, carrying capacity does not always remain the same. So, this option is incorrect.

Answer:

B. can be changed by nature or humans