EARTH & LIFE SCIENCE Q2 Reviewer

Front

Recall that oxygen was scarce during the early development of Earth. In this situation, what kind of organism first existed?

Back

anaerobic organism

Front

Which of the following describes the unifying theme: All levels of life have systems of related parts.

Back

A system is an organized group of interacting parts.

Front

Which type of asexual reproduction involves an organism dividing into two pieces, one headless and the other tailless, with each piece growing the missing body parts?

Back

transverse fission

Front

All are tools in recombinant DNA technology EXCEPT?

Back

host organisms

Front

What is the other term for genetically modified organism?

Back

transgenic organism

Front

Where does most of the nutrient absorption take place during digestion?

Back

Small intestine

Front

Feedback mechanisms that regulate sugar levels in the blood belong to which system?

Back

Endocrine system

Front

What refers to the change in the gene pool of population due to chance?

Back

genetic drift

Front

Which lineages evolved early from the root and remain unbranched?

Back

basal taxon

Front

What is the maximum number of organisms that an ecosystem can support?

Back

carrying capacity