Answer:
hollow (or open) square
Explanation:
For a Pedigree chart, males are listed with squares and females with circles. the hollow or open square is used to denote a male who is not affected by a trait hence he does not express that trait.
Answer:
a) Proper functioning of body cells depends upon the precise regulation of the fluid surrounding them
Explanation:
- Interstitial fluid comes out of blood vessels and it is present between the cell spaces. It surrounds and bath the cells. It is the major ECF fluid in the body.
- Interstitial fluid carry the nutrients to the cell for their proper functioning.
- After providing the nutrient it collects the waste material from cell and known as lymph.
- Lymph drains into circulation of cardiovascular system.
Despite the fact that the female lays the eggs and the young develop outside her body, since the sperm and the egg combine inside the female, internal fertilization takes place.
I hope this helps you! (:
The correct answer should be D. ecological footprint
Biodiversity means having various species living together while habitat is a place of residence of species. Sustainability refers to the question whether or not something is ecologically sustainable.
