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1. A new species of multicellular, eukaryotic heterotrophs is discovered. This species secretes digestive enzymes to digest its food externally. Which taxa would this organism belong to?

A.
domain Archaea

B.
phylum Platyhelminthes

C.
kingdom Fungi

D.
kingdom Animalia

2. Mammals and reptiles both belong to the amniote clade. What is the evolutionary significance of this clade?

A.
Amniotes produce membranes that allow them to reproduce without laying eggs in water.

B.
Amniotes produce milk to feed their offspring.

C.
Amniotes were the first vertebrates to evolve limbs specialized for living on land.

D.
Amniotes were the first vertebrates to evolve jaws for digesting the tough food found on land.

3. Which of the following is an example of negative feedback leading to homeostasis?

A.
a sponge conforming its internal salt concentration to match the salinity of its environment

B.
a frog slowing its metabolic rate while hibernating over the winter

C.
a cat’s uterine contractions increasing in strength as it gives birth to a litter of kittens

D.
a human sweating to reduce his or her body temperature on a hot day

Sagot :

lhmarianateixeira

2.In the evolutionary process, mammals and reptiles evolve Amniotes produce membranes that allow them to reproduce without laying eggs in water.

What are aminiot animals?

Amniote animals are those that have amnion surrounding the embryo, while non-amniotes do not have this membrane.

3.Homeostasis in environments can have as a negative example a sponge conforming its internal salt concentration to match the salinity of its environment.

By saving too much the marine environment limits the lives of other animals causing them to migrate in this way, there will be a collapse in the food chain.

See more about evolution at brainly.com/question/13492988

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