Which would be a consequence of the removal of predators from a population such as the Trinidadian guppy population?a .The nitrogen excretion rate would increase.b. Guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase.c. Primary producers such as algae would overgrow.d. Guppies would produce fewer but larger offspring.e. Guppy color patterns would change.

Another name for unicellular organisms that dominated Earth up to the Precambrian time is A. cyanobacteria.
B. stromatolites.
C. eukaryotes.
D. prokaryotes.

If a turtle is hit by a boat and damage is done to its shell, is the injury able to heal? Identify the correct answer to this quesiton and the correct names for the parts of the shell in the answer. A.) Yes, the shell would be able to heal. A turtle’s shell has two parts: the upper part, which is called the keratin, and the lower half, named the plastron. B.) No, the shell would not be able to heal. A turtle’s shell has two parts: the upper part, which is called the keratin, and the lower half, named the plastron. C.) Yes, the shell would be able to heal. A turtle’s shell has two parts:

Roots have all of the following functions EXCEPT to ____.a. anchor the plant
c. store food
b. absorb water
d. make food

Large industrial use of wind energy _____. A.) is practical anywhere there is wind

B.) is restricted to localized areas of consistent wind

C.) cannot be developed anywhere

From the food web below, which organism is the primary consumer? The picture shows a food web. It consists of phytoplankton (producer), zooplankton (primary consumer), small fish and crustaceans (secondary consumer), large fish (tertiary consumer), and marine mammals and people (quaternary consumers).

All female mammals have one active x chromosome per cell instead of two. what causes this?