4th Grade Ch.6 Review

Ecosystems

100

True or False: An ecosystem is the natural home of a plant or animal. 

False; habitat (pg.256) 

200

Sunlight, soil, and ______ are examples of non-living 

air

300

True or False: In a forest, the emergent layer acts like an umbrella. 

False; canopy 

400

Land covered with water for at least part of the year. 

Wetland

500

Deepest places of the ocean 

trenches (pg.296) 

Vertebrates

100

True or False: Fish, amphibians, and reptiles are warm-blooded vertebrate classes. 

False; cold-blooded (pg.176) 

200

Which of the following is a vertebrate? 

a. alligator 

b. hummingbird

c. toad

d. All of the above

d. All of the above

300

A flamingo's long legs were designed to ________. 

a. fly

b. swim in water

c. wade in the water 

c. wade in water

400

Force that keeps a bird in the air.

Lift

500

Active during the night

Nocturnal

Invertebrates

100

True or False: The largest group of arthropods is insects.

True (pg. 221)

200

True or False: The clownfish and sea anemone benefit from each other in a symbiotic relationship. 

True (pg.220)

300

True or False: The growth stages of complete metamorphosis are egg, nymph, pupa, adult. 

False; larva 

400

Invertebrate with jointed legs. 

Arthropod

500

Which of the following is NOT an invertebrate? 

a. octopus

b. sea urchin 

c. sea anemone 

d. toad

d. toad

Food Chain

100

A ________ is an organism that is able to make food using sunlight energy. 

a. decomposer 

b. producer

c. scavenger

b. producer

200

A(n) animal that eats other animals that have already died. 

a. decomposer 

b. producer

c. scavenger

c. scavenger

300

Deep winter sleep to conserve energy.

hibernation

400

The niche of a(n) ___________ is to eat the extra plant-eating consumers in an ecosystem. 

a. apex predator

b. decomposer

c. grazer

a. apex predator

500

An organism that is able to make its own food using sunlight energy. 

a. decomposer

b. producer

c. scavenger

b. producer

Random

100

The gas given off during photosynthesis is _________. 

a. carbon dioxide 

b. nitrogen

c. oxygen

Oxygen (pg.128) 

200

True or False: A green plant is able to make food because it has chlorophyll. 

True (pg.128) 

300

The embryo is the part of the seed that is the new plant. 

True

400

True or False: An estuary is a triangular landform at the mouth of a river.

False; Delta (pg.303)

500

A(n) _______ is a piece of ice that has broken from a glacier. 

a. iceberg

b. ice cap

c. ice shelf

a. iceberg