Which is an example of homeostasis?

A.

A dog having a litter of puppies

B.

Eating food

C.

Sweating on a hot day

Describe how energy flows through a hypothetical food chain from the bottom to the top. What happens to the numbers of individuals in each level as you move up the chain?

What is the controversy that surrounds the use of embryonic stem cells and how has this affected the science of biotechnology?

How does the structure of red blood cells impact its function?

Peristalsis is the movement of food through the digestive system. What type of muscle aids in this process?

What are the following cost of urban development

How does carbon enter plants?

What are the disadvantages of using a belt transect

What forms of matter are required by animals for cellular respiration?

Many protozoa have tiny hair-like structures that beat back and forth to aid a protozoa's movement. What are these hair-like structures called?

Why is the structure of dna called a double helix? a. because each of the curved dna subunits appears twice whenever it appears b. because dna is made of two strands of nucleotides wound together in a spiral. c.