Protist are

A. members of the plant kingdom.

B. prokaryotes.

C. reclassified as scientists learn more about their diversity.

D. more like other protists than members of other kingdoms.

An experiment was performed to study the progress of cells through the mitotic cell cycle. The compounds listed below were used individually to study their effects on the cell cycle.

Which are characteristics of mammals? Check all that apply. A) internal fertilization B) three-chambered heart C) endothermic D) highly developed nervous system E) several nearly hollow bones F) always live on land

In an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of the lower tier at a slight angle. Which organism is it likely to be?

What will happen to a chicken egg if it is placed in 100 water

Which structures are common to both plant and animal cells? Check all that apply. Nucleus Cell Wall Cell Membrane Chloroplast Cytoplasm Mitochondrion

A stalked, sessile marine organism has several feathery feeding structures surrounding an opening through which food enters. The organism could potentially be a cnidarian, a lophophorate, a tube-dwelling worm, a crustacean, or an echinoderm.

All cells within an organism will have the same number of chromosomes except the gamete. a. True b. False

What are the steps of the food chain that includes insect-eating birds.

Which items exist on earth because of green plants?

In a word, explain the theory of evolution.