Science Chapter 1 4th Grade

 Animals with backbones are called: _________________

• invertebrates

• vertebrates

• backbone animals

• spinimals

About 98/100 of all animals are __________________

• invertebrates 

• vertebrates

• insects 

• animals 

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The basic unit of a living organism that can perform all life processes is a/an ___________

• organ
• cell
• tissue
• organism

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_____________ is a group of living things that are so much alike that they are able to reproduce.

• Species
• Order
• Family
• Genus

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_________ is a gel-like liquid inside of a cell

• Cytoplasm
• Cell membrane
• Mitochondria
• Nucleus

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The ____________ controls a cell's activities.

• teacher

• cell membrane

• nucleus

• boss

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_______________ is a cell part that plants use to make food.

• chloroplasts
• mitochondria
• nucleus
• ribosomes

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Scientists classify clams, squid, and octopuses as...

• vertebrates

• reptiles

• Mollusks
• mammals

Offspring inherit some behaviors and learn others, which behavior is learned?

• a snake hibernating

• a sea turtle digging a hole on the beach for its eggs

• an amphibian migrating

• a guide dog helping a visually impaired person

What is NOT true about an animal cell?

• a cell wall surrounds it

• a thin outer membrane surrounds it

• it has a nucleus

• a gel-like liquid is inside the cell

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