Answer:
The correct answer is C: competition for resources
The salmon will not starve as its prey increased.
The smelt is not the predator of the alewife.
The answer is D.
Answer: 60 degrees.
Explanation: If two angles measure 60 degrees, that means that the triangle is equilateral and the third angle is also 60 degrees. You can also just add the two given measures and subtract the sum from 180 degrees.
Answer:
Substrate. The substrate is the surface on which the river organisms live. It may be inorganic, consisting of geological material from the catchment area such as boulders, pebbles, gravel, sand or silt, or it may be organic, including fine particles, leaves, wood, moss and plants.
Answer:
So that that too much heat is not wasted
Explanation:
The bodies need to store their energy for the times when we need it.