<div><span style="font-family: 'comic sans ms', sans-serif; font-size: 18pt; color: #333333;">Science Unit 1</span></div>

Which definition correctly describes the role of the nucleus?

An organism made up of cells that have a nucleus enclosed by a membrane; eukaryotes include protists, animals, plants and fungi

The smallest structural and functional unit of all living organisms

Which of the following definitions best describes the term organelle?

One of the small bodies in a cell’s cytoplasm that are specialized to perform a specific function

In a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA

The smallest functional and structural unit of all living organisms

A prokaryote is best described as which of the following?

An organism made up of cells that have a nucleus enclosed by a membrane (protists, animals, plants and fungi)

A single-celled organism with no nucleus or membrane-bound organelles (archaea and bacteria)

He smallest functional and structural unit of all living organisms

How would one correctly define a cell?

One of the small bodies in a cell's cytoplasm that are specialized to perform a specific function

A single-celled organism with no nucleus or membrane-bound organelles (archaea and bacteria)

Which of the following are examples of eukaryotes?

Animals, plants, fungi, and protists

Archaea and bacteria

All living things

Which is NOT a characteristic of all living things?

Adapt to their environment

Reproduce

Perform photosynthesis

True or false: all living things have a mechanism to get rid of waste.

True

False

Which of the following does NOT apply to all living things:

All living things make their own food

All living things use energy

All living things adapt to their environment

Science Unit 1