Chemistry Middle School

Which shared derived characteristic do reptiles, marsupials, and dogs have?

Amniotic egg
Fur
Retractable claws
Shearing teeth

Answers

Answer 1
I believe it is 4)Shearing teeth (Carnassial teeth)
Answer 2

Answer:

Shearing teeth

Explanation:

Just use process of elimination. Dogs don't lay eggs, reptiles don't have fur, neither of them have retractable claws, so the only one left is shearing teeth.

Related Questions

Which of the following organisms evolved after amphibians?

Only cats
Only reptiles
Only marsupials and cats
Reptiles, marsupials, dogs, and cats

Answers

Answer:

Reptiles, marsupials, dogs, and cats

Explanation:

The correct answer is only reptiles as they evolved after amphibians.

Amphibians were one of the earliest groups of land-dwelling vertebrates to evolve. After amphibians, reptiles emerged. Reptiles are a diverse group of cold-blooded vertebrates that includes animals such as lizards, snakes, turtles, and crocodiles. They have adapted to a wide range of environments, including deserts, forests, and oceans.

The other options provided in the question, such as cats, marsupials, and dogs, did not evolve after amphibians. Cats and dogs belong to the mammal group, which evolved much later than amphibians. Marsupials, on the other hand, are a group of mammals that includes animals like kangaroos and koalas. While marsupials did evolve after amphibians, the question specifically asks for organisms that evolved "after amphibians," excluding any other groups that may have evolved concurrently.

So, the correct answer is "Only reptiles" because reptiles evolved after amphibians.

Learn more about amphibians,here:

https://brainly.com/question/31785803

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A substance that is uniform in composition, made up of two or more atoms in the same place, and NOT chemically combined is a _______________.



element

homogeneous mixture

compound

heterogeneous mixture

Answers

Answer:

homogeneous mixture

Explanation:

from goigle

OHHH i remember this question it’s definitely B homogeneous mix

Can someone help quick

Answers

Answer:

Sodium

(Na)

Just count the electrons and search which atom it is.

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