Explain why ecosystem
diversity results in species
diversity in a healthy
blosphere.

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

What is a group of organisms that are closely related and share similar characteristics

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.