How are chemical equations of photosynthesis and cellular respiration similar or different?

The first organisms evolved on Earth around 4 billion years ago. The fossil record indicates that the first organisms were which of the following?

How do phagocytic cells protect the body from invading pathogens?

What's one indirect consequence of building seawalls? A. It rises the sea level, which infiltrates groundwater aquifers. B. It causes an excess amount of fertilizer to become stuck in the sand. C. It increases the frequency of algal blooms. D.

Which procedures were followed in this lab to decrease experimental error? Check all that apply. using only two types of seeds, both from the same source having one student count every sprout in every quadrat using adjacent plots of land for both

Studies conducted in England during the industrial revolution have shown that children born to poor families were on average shorter than those born to wealthy parents. The most likely explanation for the difference in height is difference in

Which situation is a result of human activities

The step in which mrna is decoded into an amino acid sequence at the cell's ribosome? during the process of protein synthesis, what is the step in which mrna is decoded into an amino acid sequence at the cell's ribosome?

Explain in your own words how our solar system was formed.

What type of boundary experiences tension stress, where the crust becomes thin and streched out A divergent B convergent C transform

Why are mutations in body cells such as skin cells not a source of genetic variation