Evidence.
This are the two things explanations need: testability and evidence. Both of them are very important but evidence, I'd say, is the most important factor since it supports the claim in a remarcable way.
Hope it helped,
BioTeacher101
The answer is the gradual decrease in sexual activity in some males as a
result of illnesses and losses. <span>Male menopause involves a
drop in testosterone making in men who are age 50 or older. It’s often associated
with hypogonadism. Both conditions involve lowered testosterone levels and
similar symptoms.</span>
Answer:
Blastocyst
Explanation:
As morula moves towards the uterine cavity by the end of the fourth day of fertilization, there is an increase in the number of its cells. Morula is transformed into a hollow ball of cells that has an internal cavity called blastocele, outer cells (trophoblast) and the inner cell mass.
This structure is called blastocyst which is present as a free structure in the uterine cavity for 2 days after which it becomes attached to the endometrium of the uterine wall. Attachment of blastocyst to the endometrium of the uterine wall is called implantation. The enzymes secreted by blastocysts make a burrow in the endometrium to facilitate implantation
Answer: Decomposers plan an important role in the biogeochemical cycling for nutrients in the environment as they are responsible for the breakdown and return of nutrients back to the environment in their native state.
Answer: the commercial organization and operation of vacations and visits to places of interest.
Explanation:Hope this is helpful