What are chromosomes?

A. Strands of DNA wrapped around proteins

B. Any organism that contains DNA

C. The alleles that cause certain traits

D. A form of virus that infects cells

Summarize two hypotheses that explain why food chains are relatively short.

What idea did hardy an weinberg disprove

which of the following best describes homeostasis? a. keeping the internal environment in a stable state b. keeping the external environment in a stable state c. beneficial characteristics resulting from mutation d.

How do tumors form as a result of errors in mitosis

Some mammals such as Moose, Deer, and Water Buffalos have defensive adaptations such as horns or antlers to fight predators. Males also use them to fight other males during mating season.

Which one of the following Foods contaminated chance is best prevented by cooking to Safe temperatures

What do a dinosaur and a tree have in commonA. they may have shared the matter b. they both get energy directly from the sun c. they both have the same exact DNAD. they both get their energy from plants?

Anchoveta feed on large zooplankton whereas sardines feed mainly on phytoplankton. Use this information to suggest why sardine numbers are less likely to collapse during an El Niño event.

Inflammation of the nerve root, menginges and spinal cord is the definition of which medical term?

What kind of plant produces apples