<span>Red blood cells do not contain a nucleus because their purpose is to carry oxygen around the body. Due to the fact these cells do not have a nucleus, their capacity to carry this oxygen is increased greatly.</span>
Answer: a haploid chromosome set from each parent
Explanation:
I infer this from the question which was “Offspring that result from sexual reproduction each have”
I think it's the last two
Temperature and the amount of water
Answer:
Isolation means that organisms of the same species are separated, and happens when there is something between the organisms that they can't cross.
Explanation:
Organisms become isolated as a result of environmental change. The cause of isolation can be gradual, like when mountains or deserts form, or continents split apart.
Failure to apply dryland farming methods to prevent wind erosion.
