Answer:
Humans grow more than animals because humans destroy more habitat, kill more animals for food, release more pollution into the atmosphere, soil, and water supply, all of which increase the rate of extinction of species.
Explanation:
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Counter current flow is the opposite movement of water against the flow of blood in the fish's gills.
Protection for the head is needed in cases of direct collision sports like hockey and football. Collisions with another player or the turf may result in a concussion, thus all the helmets must possess NOCSAE certifications.
The helmet should fit comfortably around all the segments of the player's head, there should be no gaps between the head and pads. It should cover the base of the skull, the pads positioned at the back of the neck should be comfortable, and at the same time should not be uncomfortable.
The helmet should not come down over the eyes, the front edge of the helmet should be 3/4 inch or of two finger widths above the eyebrows.
Answer:
Virus
Explanation:
The question is basically asking what causes infections and diseases. There are certain things that can cause infections and diseases such as, a virus, fungi, bacteria, or parasites. So a virus does fit in this statement
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The genotypes of the parents are AArr and aaRr
Since, half the offspring trees produce big red apples and half produce big yellow apples we can conclude:
That all of the offspring inherited dominant trait for the size of apple (all of them are big) so, AA from one parent and aa from another can combine and form all heterozygous genotypes Aa. On the other hand, trait for the apple color is expressed 50-50-% (rr and Rr form Rr Rr rr rr genotypes).
