<span>C. gizzard. hope his helps
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Answer:
B- environmental factors do most of the “selecting.”
Explanation:
Natural selection is the environment that the organism lives in, and the process which that organism changes by.
Artificial selection is when humans intervene and create an organism that isn't suited for their specific environment, but rather for the humans own liking.
Think of breeding dogs to be smaller, or more fluffy and adorable. These are not traits to help them survive in where they original environment was.
Answer:
fast- flowing areas usually contain more oxygen than slow-flowing ones.
Explanation:
looking at the statement that accurately compares fast-flowing and slow-flowing areas of stream and water, we need to understand how they flow. a stream flow downhill and it can also flow in a perfect channel, except when flooding occurs and water overflows its channel and spread out across the area of the land. so, fast-flowing generally have higher levels of dissolved oxygen more than slow-flowing because slow-flowing are aerated.
Answer:
see below :)
Explanation:
There are three types of ecosystems; freshwater, ocean, and terrestrial.