Answer:
A dolphin breathes through a single blowhole on the top surface of its head. The blowhole is covered by a muscular flap, which provides a watertight seal.
A dolphin holds its breath while below water.
The dolphin opens its blowhole and begins to exhale just before reaching the surface of the water. To open the blowhole, the dolphin contracts the muscular flap.
Explanation:
I'm guessing sporophyte. I know mosses are nonvascular (they don't conduct their own food or water). They go through haploid and diploid phases. The haploid phase is most prominent in mosses.
Sorry if this isn't helpful.
Answer:
A mess up in the dna structure/formation
Explanation:
They are a species, the definition is:
A group of organisms that have similar characteristics and can interbreed to produce fertile offspring
Answer: The correct answer is capillaries
Explanation:
capillaries are tiny branched blood vessels that links arterioles to venules and allows exchange of nutrients and gases between the blood and its surrounding tissues
