The first species to live on new land, such as that formed from volcanic lava, are called________.

a) climax community
b) keystone species
c) foundation species
d) pioneer species


Answer: b) keystone species

Biology & Microbiology

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__________ are regions in an organism’s DNA that

encode information about heritable traits. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

What does one call a mutation that occurs in a DNA sequence that changes the amino acid specified by that sequence?

What will be an ideal response?

Biology & Microbiology

Which of the following regulates progression through the phases of the cell cycle?

a. fluctuating concentrations of cyclin-dependent kinases b. fluctuating concentrations of microtubules c. fluctuating concentrations of cyclins d. fluctuating concentrations of actin

Biology & Microbiology

Which of the following is a function of the skeletal system?

Production of red blood cells Regulation of body temperature Removal of metabolic waste Synthesis of vitamin D

Biology & Microbiology