Cladograms

According to this image, which two domains of life are most related?

• Bacteria & Archaea

• Archaea & Eukarya

• Eukarya & Bacteria

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What is the human most closely related to?

• Fish

• mouse

• Salamander

• Human

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Which group of animals on this tree are most closely related to birds?

• Saurischian dinosaurs

• Ornithischian dinosaurs

• Crocodiles

• None of these are related to birds

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According to this tree, which of these animal phyla are most closely related?

• Arthropoda & Mollusca

• Arthropoda & Chordata

• Chordata & Mollusca

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Where is the alligator and T. rex's common ancestor?

• Point A

• Point B

• Point C

• Point D

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All the animals to the right of the hagfish would have the common characteristic of -

• Fur
• Claws or nails
• Lungs
• Jaws

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The diagram below represents possible genetic relationships between groups of organisms.

Which statement is a valid conclusion that can be drawn from the diagram?

• Insects are more complex than mammals.

• Earthworms and sea stars have a common ancestor.

• Snails appeared on Earth before corals.

• Sponges were the last new species to appear on Earth.

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What is the purpose of a cladogram?

• To map the ancestral relationships and shared traits of different organisms.

• To trace the inherited traits of a single species over time.

• To check the likelihood of an offspring having a particular trait.

• To monitor mutations that arise among different populations.

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What do both the squirrel and lion have in common that the other animals do not?

• They are both vertebrates

• They both have lungs

• They are both mammals

• They both lose their canine teeth.

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What do amphibians, birds, prosimians and humans all have in common? Check all that apply.

• Hair

• Endothermic

• Eukaryotic

• Tetrapod

• Vertebrate

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