Lab: Dichotomous Keys — Unit test Answers

Cell membranes are primarily made of a component that contains fatty acids. This component is most likely a...

Which trait distinguishes between the kingdoms of Bacteria and Archaea?

Ligers are a cross between lions and tigers. They exist only in zoos because lions and tigers do not live together in the wild.Which is a reason why lions and tigers are considered separate species?

Mateo has a fish in a fish tank. Every day, he feeds the fish flakes of food. He also changes the water as necessary. He has an aerator that pumps bubbles into the tank.Which sentence shows the fish’s need for air?

This Venn diagram is being used to compare the classification systems of Aristotle and Whittaker.

This chart shows four atoms, labeled W, X, Y, and Z. These atoms can combine with each other to form molecules.

Isaac is studying relationships between organisms in the phylum Chordata, which includes humans and all other animals with a backbone.

Which situations would involve classification? Select three options.

This table shows how the levels of classification have changed with each major scientist.

Sand dollars are radially symmetrical and have an internal skeleton but no backbone. Which phylum do sand dollars belong in?

There are 25 elements found in living things. How many of these elements are found in some organisms but not all?

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In these chemical compounds, C is for carbon, O is for oxygen, N is for nitrogen, and H is for hydrogen.Which chemical compound is most likely inorganic?

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Which statement best compares a dolphin and a mushroom?

Which characteristic defines all dichotomous keys?