A blastula is A. the innermost germ layer. B. a hollow ball of cells in an embryo. C. a stage of development before a zygote. D. a digestive organ.

In a species of grasshoppers, they can either have green or brown coloring. The environment that they live in usually receives lots of rain and all the plants are nice and green.

I'm what part of the cell does cellular respiration occur

What is the difference between messenger RNA and transfer RNA?

Enlist the changes occurring in males and females during adolescence

What are free radicals? What kind of harm can they cause

How would u know if you were looking at a rock that have undergone oxidation?

Almost all organisms on Earth use sugar for energy. Sugar reacts with oxygen in cells. Is burning sugar an exothermic or endothermic reaction?

What is the function of cilia

What is friction and what is its significance in the context of air particle movement?

Energy flow through an ecosystem is one-way because