Characteristics of Living Things

Question 1

Spontaneous Regeneration

Answer 1

People believed in the 1600s that life came from non-living matter.

Question 2

Who disapproved the spontaneous generation theory?

Answer 2

Francesso Redi

Question 3

All Living Things Have…

Answer 3

Have Cells, Have DNA, Sense & Respond to change, Reproduce, Use Energy, Grow and Develop (by making cells), Have the ability to MOVE, Exchange Gases, Excrete Waste

Question 4

What are the bare necessities of life?

Answer 4

Food, Water, Air

Not Sure: Organisms must have a place to live where they can get the things they need.

Question 5

Producers

Answer 5

Makes their own food

Question 6

Consumers

Answer 6

Eat other animals

Question 7

Decomposers

Answer 7

Breaks down the nutrients in dead organisms and animal waste.

Question 8

_________ is used to release energy in food.

Answer 8

Oxygen

Question 9

Plants, algae, and some bacteria use ______ _______.

Answer 9

Carbon Dioxide

Question 10

Homeostasis

Answer 10

Maintaining a stable internal environment

Question 11

Sweat

Answer 11

To cool off

Question 12

Shiver

Answer 12

To warm up

Question 13

Organelles

Answer 13

Cell parts with specific jobs

Question 14

Atoms

Answer 14

• Makes up everything living and non-living

- Smallest unit of matter

Question 15

Elements

Answer 15

A substance made up of one type of atom

Question 16

Molecules

Answer 16

When two or more atoms combine to form a new substance.

Question 17

Cells

Answer 17

The smallest unit of life

Question 18

Tissues

Answer 18

A group of similar cells that perform a common function.

Question 19

Organs

Answer 19

Made of tissues that serve a common function.

Question 20

Organ System

Answer 20

A group of organs that work together to perform body functions.

Question 21

Organism

Answer 21

A living thing; anything that can carry out life; processes independently.

Question 22

What is the largest level of organization?

Answer 22

Organisms

Question 23

State all the levels of organization (non living-living)

Answer 23

Atom
Molecule
Organelle
Cell
Tissue
Organ
Organ System
Organism

Question 24

State all the levels of organization (living)

Answer 24

Cell
Tissue
Organ
Organ System
Organism