Science U5 L2 - Notes

Question 0

An ecosystem can be changed by NATURAL events like_____

Answer 0

Volcano, drought, or hurricane

Question 1

Environments are always

Answer 1

Changing

Question 2

Volcano hurricane and drought ecosystem changes can be

Answer 2

Short term or long lasting

Question 3

Living things can effect

Answer 3

Ecosystems

Question 4

Swarms of locusts have a

Answer 4

Harmful effect

Question 5

Alligators have a

Answer 5

Helpful effect

Question 6

Beavers can harm ecosystems by

Answer 6

Flooding

Question 7

Beavers can help ecosystems by

Answer 7

Creating a habitat for plants and animals in their dams

Question 8

The growth and survival of organisms is controlled by

Answer 8

Accommodation

Question 9

If accommodation. Factors change their ecosystem, changing their behaviors and habits through, ______ can help organisms survive

Answer 9

Limiting factors

Question 10

If a species cannot _________ it’s members die out

Answer 10

Adapt

Question 11

If a lot of members die out_____

Answer 11

Then the species is endangered

Question 12

If all of the members die out_____

Answer 12

then the species is extinct

Question 13

Ecosystems do not remain the same because

Answer 13

They are always changing

Question 14

In most ecosystems, change is part of a natural_____

Answer 14

Pattern

Question 15

Some changes are long lasting such as those causes by _______

Answer 15

Volcano, hurricane, landslide, drought, or fire, pollution

Question 16

Living things can change _____

Answer 16

An ecosystem

Question 17

Some living things have either a _______or _______ effect on their ecosystem

Answer 17

Helpful or harmful

Question 18

Beaver dams can cause floods that may _______

Answer 18

Kill plants on dry land

Question 19

A __________ is any biotic or abiotic factor that controls the growth and survival of organisms

Answer 19

Limiting factor

Question 20

_______ hunt other animals

Answer 20

Predators

Question 21

________ are animals that predators hunt for food

Answer 21

Prey

Question 22

Nonnative species are _____

Answer 22

Exotic species

Question 23

Nonnative or exotic species, when brought to a new ecosystem, can ________

Answer 23

Outcompete native species if they have no predators

Question 24

An individual organism’s response to change is called ______

Answer 24

Accommodation

Question 25

Scientists try to keep animals like panda bears from becoming

Answer 25

Endangered

Question 26

Scientists try to keep panda bears from becoming extinct by

Answer 26

protecting land hey inhabit

Question 27

Why do you think birds and other small animals might move to an alligator hole even If an alligator might eat them?

Answer 27

They need water to live o they would risk it to get water during a drought.

Question 28

What is an accommodation

Answer 28

An individual organisms response to change

Question 29

How might small plants benefit from deforestation

Answer 29

Their would be more room for them to grow.