This is an example of which type of short-term human-induced environmental change? a.) eutrophication b.) non-sustainable harvesting c.) nonnative species introduction d.) pollution

Option B

Explanation:

The non sustainable harvesting can be defined as the short term human induced environmental change as it is limited only upto the next harvesting season.

The sustainable harvesting can be opted in the next season as it can be harvested in such a way that it is used by the correct generation and saved for the future generation by storing it.

So, it is a short term human induced environmental change.

b

Explanation:

the answer is d. chordata

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.