One different between prokaryotes, and eukaryotes is that prokaryotes do not have. A: a nucleus,
B: cytoplasm
C: a cell membrane
D: DNA

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

Which of the following explains why a tree is often used as a model to represent the principle of common descent