What is the most common ecosystem on Earth?

a. marine ecosystems
b. freshwater ecosystems
c. terrestrial ecosystems
d. arboreal ecosystems


a. marine ecosystems

Biology & Microbiology

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The JEMBEC transport system for Neisseria spp. provides an atmosphere with increased _________ to keep the organism viable during transport

a. hydrogen (H2) b. carbon dioxide (CO2) c. nitrogen (N2) d. nitrate (NO3)

Biology & Microbiology

Which component of a negative feedback mechanism does the brain or spinal cord represent?

a. response b. sensor c. integrator d. effector e. stimulus

Biology & Microbiology

For which species concept is anatomical features the primary criterion for determining species identities?

1. biological 2. ecological 3. morphological 4. phylogenetic a. 2 only b. 4 only c. 1 only d. 1 and 2 e. 3 only

Biology & Microbiology

The evolution of a genetically based, reciprocal adaptation in two or more interacting species is described as

coadaptation.

Indicate whether the statement is true or false.

Biology & Microbiology