In the early stages the embryos of four different species will look the same .For example, fish embryos and human embryos both have gill slits. In fish they develop into gills, but in humans they disappear before birth. That what makes them different.
Those types of animals are considered filter feeders. <span />
It carries oxygen throughout the body
Omnivores and carnivores are related because omnivores also eat meat and carnivores eat strictly meat. For example, a t-rex is a carnivore and a omnivore is those rhino looking dinosaurs.
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Answer:
The answer is 4, I got this correct on a Plato test on edmentum
Explanation: