7th grade unit 1

Genetics, botany, and zoology are all branches of which subject?

• chemistry

• biology

• physics

• astronomy

Which organism is most likely 50 meters in size?

• lizard

• tree

• ant

• bacteria

Which example is not an organism?

• human

• mold

• bacteria

• lung

Which example is not a basic need of all organisms?

• food

• soil

• water

• appropriate environment

What do all living things need?

• energy, water, sunshine, and protection

• food, water, air, and a place to live

• oxygen, an outer covering, parents, and vitamins

• water, parents, a place to live, and air

The subgroup that comes after genus is _______.

Which term best completes the sentence?

• kingdom

• order

• family

• species

Who developed a system of classifying organisms by genus and species?

• Darwin

• Linnaeus

• Watson

• Mendel

Most enzymes in living things are made up of _______.

Which term best completes the sentence?

• carbohydrates

• lipids

• proteins

• nucleic acids

To function on their own, what must unicellular organisms do?

• make tissues

• perform a specialized task

• work with other cells

• do all jobs for survival

Which type of organism is able to cause a contagious disease?

• plant

• animal

• bacteria

• rose