Which of the following describes multicellular organisms having cells with very

specific jobs, all working together for the organism to function.

O

cell specialization

O

stem cells

O

cell differentiation

O

cell structure

How earthworm return nutrients to the ecosystem?

An unknown disease or a well-known disease that suddenly becomes harder to control is called A. a pathogen. B. an emerging disease. C. an antibiotic. D. a viral disease.

Status of animals 50 years ago

Which statement best distinguishes meiosis from mitosis? A. Meiosis replicates then separate genetic information. B. Meiosis combines the genetic information of egg and sperm C. Meiosis maintains the cell's original chromosome number. D.

If twins are born and one is a boy and one is a girl, are they identical or fraternal siblings? a. identical b. neither c. fraternal d. both

List the steps in meiosis 1 in order and meiosis 2 in order

How does angiogenesis effects the body

How does lycorine inhibit protein synthesis?

What different functions does the seed coat have in these taxa?

What are two ways that liquid wastes are removed from your body?