What would life be like for autotrophs if there were no heterotrophs?

A tissue is a group of similar cells that share a common

What structural parts do chimpanzees and humans have in common?

Is an amoeba an algae or a protozoan?

Polyploidy occurs when duplicated chromosomes do not separate during meiosis and an entire set of chromosomes migrate to the resulting daughter cells. The process of producing polyploid offspring is modeled above.

Many plants have a waxy cuticle to prevent them from losing water. This is made of A. lipids. B. nucleic acids. C. carbohydrates. D. protein.

Maryland white oak trees make their own food. Their cells contain structures that capture energy from the sun. What are these structures?

What are two ways in which all living things are similar at the molecular level.

Which of the labeled structures controls the water balance in the paramecium?

Paleontologists can definitively conclude whether dinosaurs were endotherms. a. True b. False

What is thethe protein-assembly factories of the cell, are present in prokaryotic cells, animal cells, and plant cells.