What percent of all genes in c. elegans are active all the time

Which brain region contains the cardiovascular centers?

Movement of the body is accomplished directly by the actions of which of these organ systems? Muscular Skeletal Nervous Integumentary

Read the excerpt. Which type of keyword is "Deforestation"? Deforestation Rain forests clean the air by producing oxygen. They are also known to affect the water cycle and weather.

Which cellular process most directly ensures the formation, growth, and repair of specialized tissues in multicellular organisms?

How can organisms create their own energy? Explain your answer.

How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.

What effect of acid rain on a ecosystem is

What is a valid reason for making efforts to maintain the biodiversity of the planet earth? A Biodiversity makes ecosystems stronger, more stable, and more resiliant to environmental change.

Justin says that venus and jupiter are similar planets in our solar system. amanda argues that the two planets are actually very different from each other. who is correct? why is that person correct?