Answer:
a, bird builds its nest in the ash near a volcano
Explanation:
b. a fish's tail fin.
c. a dog's front legs.
d. a mosquito's wings.
A bird's wings are homologous to a dog's front legs. Thus option C is correct.
Homologous structures shows the same structure, but may have a different function or same function.
Homologous structures have a common ancestor, this structure is an organ or bone that's in common between different animals that demonstrates an anatomical structure indicating that the animals share a common ancestor.
This is in contrast to analogous structures where two unrelated animals have structures with similar forms or functions due to convergent evolution.
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The correct answer is:
fixation
Explanation:
Nitrogen fixation is a method by which nitrogen in the Earth's atmosphere is converted into ammonia or other molecules prepared to living organisms. Nitrogen fixation is carried by a diversity of bacteria, both as free-living organisms and in symbiotic association with plants. Because it is the primary source of the nitrogen in the soil, nitrogen that plants need to grow, nitrogen fixation is one of the most critical biochemical processes on Earth
supported by an ecosystem?
Answer:
umm chile
Explanation:
me dont understand because im slow
O
A. Cigarette smoking remains very common.
O
B. Cigarette smoking has become more common on television.
O
C. Warning labels are required on all packs of cigarettes.
O
D. Stores have continued to sell cigarettes.
Answer:
C
Explanation:
Answer: earths ocean has more impact.
explanation:
the ocean provides a larger amount of oxygen than all the plants on earth including the amazon rainforest. freshwater isn’t as important because it doesn’t produce that much oxygen and the ocean provides more minerals and food.