Chapter 1: Early Humans Came From Other Mammals

Early Humans came from other mammals

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Multiple Select

How did humans change to respond to their environment?

• Hid from danger

• Walked on two legs

• Evolved to have bigger brains

​​DNA is a molecule found in a cell

​​Cells are building blocks of all life.

Multiple Choice

What did human ancestors use for survival?

• Tools

• DNA

• Animals

Multiple Choice

How do scientist know about human evolution?

• They are guessing

• Due to DNA

• Studying the weather

Multiple Choice

How did early human evolve?

• They walked on four legs

• They walked on two legs and had big brains

• They stayed the same as chimpanzees and bonobos

Multiple Choice

How do scientist know modern-day humans are related to primates?

• Photography and tools

• Rocks and soil

• DNA evidence