A tropical rain forest might be unable to return to its original climax community after which of the following disturbances?

a. burning of a forest fire

b. clearing and farming

c. volcanic eruption

d. flooding after a hurricane

In the plant life cycle, where does mitosis occur?

What are the monomer units that make up starches? - amino acids - glucose - nucleotides - fatty acids

Why mammal embroys and dinosaur embroys have placodes

Why is very little sodium (200 mg) required in the diet for a sedentary individual?

Comparison between a plant cell and cell organelles

1 Which observation could lead to the conclusion that an object is nonliving? (1) It passes on hereditary information only through asexual reproduction. (2) It carries out synthesis. (3) It cannot perform metabolic processes.

What would happen if earth did not retain the heat from its formation

Which of the following describes an in vivo experiment? A. observations are made in a buffered solution. B. Observations are made in Petri dish. C. Observations are made in a living mouse. D. Observations are made in a test tube.

Describe the universe before the big bang

A (blank) is designated by the first part of a two-part name of each organism that encompasses all the species that seem closely related by way of their recent descent from a common ancestor