Answer:
Biological species.
Explanation:
Various concept like morphology species concept, ecological species concept was introduced by the scientists to explain the biological species. The biological species concept is accepted today.
The biological species concept explains that the group of interbreeding population that has the ability to reproductively isolated from the other such group.
Thus, the correct answer is option (c).
Answer:
Essential amino acids cannot be made by the body. As a result, they must come from food. The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Explanation:hope it helps
Answer: Genetic
Explanation:
Genetic material (ex. DNA) contains information that directs all of the cell's functions.
Answer:
A-
Tides are caused mainly by <u> </u> in how much the moon's gravity pulls on different parts of Earth.
The force of gravity pulls the moon and Earth toward each other.
The moon's gravity causes high tide on the side closest to the moon.
The moon's gravity pulls Earth, leaving water behind causing an additional high tide.
Low tides occur between the two high tides.
There are 2 low tides and 2 high tides a day.
B-
Their combined forces produce a tide with the greatest difference between consecutive high and low tides, called a spring tide.
Spring tides occur once a month, at new moon and at full moon.
During the moon's first-quarter and third- quarter phases, the line between the moon and the sun is at right angles to the line between Earth and the moon.
This produces a spring tide, a tide with the greatest difference between consecutive low and high These occur twice a month.
(sorry I didn't really understand the first one)
Answer:
Explanation:
probably because they misunderstood eachother
and they can't stand each other again