Which one of the following animals would most likely be defined as a keystone species?

A) sea otter
B) housefly
C) fathead minnow
D) nauplii (a species of zooplankton)


Answer: A

Biology & Microbiology

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What key words does the question contain and what do they mean?

What will be an ideal response?

Biology & Microbiology

Among the dihybrid crosses below, which will produce a 1:1 phenotypic ratio?

A) AA BB × aa bb B) Aa Bb × Aa Bb C) Aa Bb × aa bb D) Aa BB × aa BB E) AA bb × aa BB

Biology & Microbiology

The cell walls of fungi are made up of

a. proteoglycans b. phospholipids c. cellulose d. collagen e. chitin

Biology & Microbiology

Inherited genetic information is coded in molecules of _____.

A) RNA B) DNA C) proteins D) amino acids

Biology & Microbiology