Which of the following organisms is not nekton? a. Whales
b. Crabs (answer)
c. Sharks
d. Dolphins
The concept of the struggle for existence<span> concerns the competition or battle for resources needed to live. It can refer to human society, or to organisms in nature. The concept is ancient, and the term </span>struggle for existence<span> was in use by the end of the 18th century. From the 17th century onwards the concept was associated with a population exceeding resources.
Hope this helped!
STSN</span>
Answer:
Photosynthesis and ___cellular respiration_____ create a cycle.
They create a cycle because the products of photosynthesis become the __reactants________of cellular respiration.
Cellular Respiration is important because it converts __glucose________ into usable energy for the body.
Photosynthesis is
important because it provides the atmosphere with ___oxygen________
and gives glucose to other orgamisms.
This makes __autotrophs____producers that give energy to ___consumers____.
