various questions
Biology
100

How many bones are in a shark's body?

none

100

What is the process by which plants make their own food?

  • Photosynthesis

200

How many hearts does an octopus have?

three

300

How many bones are there in the human body?

206

300

What is the name of the process by which plants absorb water through their roots?

Absorption

400

Who was the first woman in space?

Valentina Tereshkova

400

What are the three main parts of the circulatory system?

Heart, blood vessels, and blood

500

What is the hardest natural substance on Earth?

Diamond

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