Plz me i need this ! which of the following describes soil and temperature in an ecosystem?
a. unnecessary factors
b. abiotic factors
c. biotic factors
d. selection factors

As far as the ecosystem is concerned, soil and temperature are abiotic factors.

The biotic factors of the ecosystems are living factors. They consist of all the living organisms and their relationship with each other in the ecosystem.

The abiotic factors are also known as nonliving factors. They include soil, temperature, pressure, salinity, wind, etc.

Thus, temperature and soil are parts of the nonliving factors of the environment.

More on environmental factors can be found here: link

Explanation:

Abiotic factor: Nonliving chemical and physical parts, just like temperature and soil in an ecosystem

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.