Which type of organisms were likely the first land animals?

a. birds
b. reptiles
c. mammals
d. amphibians
e. arthropods


e

Biology & Microbiology

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Which of the following is least likely to be considered a mutualistic relationship?

a. Bacteria living in the roots of pea plants b. Bird nesting in a tree. c. Cyanobacteria living inside of an eukaryotic cell. d. Clownfish living in the tentacles of an anemone. e. Fungi living in the roots of plants.

Biology & Microbiology

When light rays converge behind the retina, it is known as ____

a. astigmatism b. color blindness c. nearsightedness d. macular degeneration

e. farsightedness

Biology & Microbiology

Polysaccharides are composed of thousands of monosaccharides arranged in straight or branched chains.

a. true b. false

Biology & Microbiology

Modern conservation science increasingly aims at ________

A) protecting federally listed endangered species B) countering pollution C) sustaining entire ecosystems D) maintaining genetic diversity within species

Biology & Microbiology