5th - Science Unit 5 Lesson 4

Question 0

An ecosystem where water is near the surface of the soil much of the time.

Answer 0

Wetland

Question 1

One of Earth’s major land ecosystems, each with its own kind of climate, soil, plants,and animals.

Answer 1

Biome

Question 2

The boundary where a freshwater ecosystem meets a saltwater ecosystem.

Answer 2

Estuary

Question 3

What are all environments?

Answer 3

An ecosystem

Question 4

What is all the living and nonliving things interacting in the environment?

Answer 4

Ecosystem

Question 5

Is a set of habitats or ecosystem all grouped together into a kind of “super-ecosystem”.

Answer 5

Biome

Question 6

How do you characterize Land Ecosystems?

Answer 6

By the animals that live there, plants that grow there and soil.

Question 7

How many Land Ecosystems are there?

Answer 7

Six

Question 8

Name to major Land Ecosystems.

Answer 8

1. Taigas
2. Tundras
3. Deserts
4. Grasslands
5. Deciduous Forests
6. Rain Forests

Question 9

Freshwater, saltwater or a mixture are all what?

Answer 9

Water Ecosystems

Question 10

What are the different types of water ecosystems found on Earth?

Answer 10

Ponds, lakes, streams, rivers, wetlands, estuaries, and oceans.

Question 11

What effects climates in an ecosystem?

Answer 11

Sunlight

Question 12

What areas receive more direct sunlight?

Answer 12

Areas closer to the equator receive more direct sunlight.

Question 13

How does receiving more direct sunlight effect the ecosystems near the equator?

Answer 13

They are rich with plants and animals

Question 14

How does receiving less direct sunlight effect ecosystems?

Answer 14

Fewer organisms live in Earth’s polar regions.

Question 15

What do tundras, taigas and deserts ecosystems have in common?

Answer 15

1. They have harsh climates - may have extremely hot or cold temperatures or very little precipitation.
2. These conditions limit the types of plants and animals that can live there.

Question 16

Where are Tundras ecosystems found?

Answer 16

In far northern regions

Question 17

What are some characteristics of Tundras?

Answer 17

1. Cold winters and short summers
2. Cold, dry biome that includes a layer of permafrost
3. Support fewer species than most other biomes
4. Some areas are covered with ice

Question 18

A layer of permanently frozen soil?

Answer 18

Permafrost

Question 19

What are the characteristics of permafrost?

Answer 19

1. Prevents trees and large plants from developing deep roots.
2. Lichens, mosses, grasses, flowers and low shrubs with shallow root systems can grow above it.

Question 20

Where are Taigas ecosystems found?

Answer 20

South of the northern tundras

Question 21

What is a Cool forest of cone-bearing evergreen trees?

Answer 21

Taigas

Question 22

How are the seasons in the Taigas?

Answer 22

Winters are cold and summers are warm, wet and humid.

Question 23

What do all deserts have in common?

Answer 23

All are dry

Question 24

Where are deserts found?

Answer 24

On every one of Earth’s continents

Question 25

What are deserts defined by?

Answer 25

Deserts are defined by the amount of precipitation in the area not by its location or temperature.

Question 26

What are the possible temperatures of the deserts?

Answer 26

Hot and Cold

Question 27

What does the dry desert air contain to block the Sun’s warming rays?

Answer 27

Little moisture

Question 28

Why is the desert air cool at night?

Answer 28

Because there is no cloud cover and the dry air loses heat easily after dark.

Question 29

Can deserts be cold year-round?

Answer 29

Yes

Question 30

Where are cold deserts founded?

Answer 30

Greenland, Central Asia and Antarctica

Question 31

What do organisms do that live in the desert ‘s dry conditions? Name some examples.

Answer 31

Organisms adapt.

1. Plants conserve water
2. Animals rest during the day and are active at night

Question 32

What was the land ecosystems of North America before the arrival of immigrant settlers?

Answer 32

Grassland and forests