Question

Which forms of life were dominant in the Mesozoic era?(1 point)
Responses

birds
birds

mammals
mammals

reptiles
reptiles

one-celled animals
one-celled animals
Question 2
Which characteristic defines the Paleozoic era?(1 point)
Responses

Reptiles became dominant after a mass extinction.
Reptiles became dominant after a mass extinction.

Animals with shells and hard parts were dominant for the first time.
Animals with shells and hard parts were dominant for the first time.

Mammals and other warm-blooded animals became dominant.
Mammals and other warm-blooded animals became dominant.

Simple, one-celled life forms were dominant.
Simple, one-celled life forms were dominant.
Question 3
Which option orders the events chronologically, from earliest to latest.(1 point)
Responses

Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere. Many new animal species evolve. Single-celled organisms increase atmospheric methane concentrations.
Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere. Many new animal species evolve. Single-celled organisms increase atmospheric methane concentrations.

Many new animal species evolve. Single-celled organisms increase atmospheric methane concentrations. Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere.
Many new animal species evolve. Single-celled organisms increase atmospheric methane concentrations. Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere.

Single-celled organisms increase atmospheric methane concentrations. Oxygen concentrations increase in the atmosphere. Photosynthesizing bacteria release oxygen into the sea. Many new animal species evolve.
Single-celled organisms increase atmospheric methane concentrations. Oxygen concentrations increase in the atmosphere. Photosynthesizing bacteria release oxygen into the sea. Many new animal species evolve.

Single-celled organisms increase atmospheric methane concentrations. Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere. Many new animal species evolve.

Answers

GPT-4o mini
**Question 1**: Which forms of life were dominant in the Mesozoic era?
**Response**: reptiles

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**Question 2**: Which characteristic defines the Paleozoic era?
**Response**: Animals with shells and hard parts were dominant for the first time.

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**Question 3**: Which option orders the events chronologically, from earliest to latest?
**Response**: Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere. Many new animal species evolve.