Changes in Ecosystems 1
Chapter 4
Changes in Ecosystems 2
Vocab
Everything!
100
To use something again is to... (pg. 86)
reuse
100
What can droughts lead to? pg 89
fires
100
In the grasslands of the central United States, which organism is prey for a coyote? (pg 92) a. grass b. prairie dog c. hawk d. eagle
prairie dogs
100
What does the word competition mean?
The struggle among living things for resources
100
Some animals became extinct because a change in ___________. pg. 97
environment
200
Which is an example of a resource a. fossil b.air c. disease d. adaptation
air
200
Layers of rock tell about Earth's_______. pg 99 a. life b. story c. history d. rock
history
200
Scientists learn the most about ancient organisms by studying a. fossils b. resources c. natural disasters d. adaptations
a. fossils
200
What does the word extinct mean?
A kind of organism that is gone forever
200
___________ and ___________ fossils can tell about a living thing's size and shape.(pg. 98)
Plant and animal
300
Soil and plants may be washed away during a... (pg. 88)
Flood
300
Which is a predator? a. tree b. fungus c. wild horse d. hawk
hawk
300
Which does a business do when it makes new cans from old cans? (pg 86) a. adapt b. reuse c. reduce d. recycle
d. recycle *** Recycling is when you turn old things into new things
300
What does the word endangered mean?
only a few living members of its kind are left
300
Fossils of sharp teeh show that the animal ate______. a. meat b. plants c. trees
meat
400
When you use less of something, you a. adapt b. recycle c. reuse d. reduce
adapt
400
Plants and animal ____________ can tell about a living thing's size and shape. pg 98
fossil
400
Which is a natural disaster caused by too little rain? a. pollution b. disease c. drought d. flood
c. drought
400
What does the word resources mean?
things that organisms need to live
400
If a fish fossil is found on land, it means the land was once a. very cold b. a rain fores c. under water
under water
500
Which organism is extinct? a. lizard b. eagle c. elephant d. woolly mammoth
woolly mammoth
500
What spreads easily and can change the environment? pg89
Diseases
500
What is produced when harmful things are put in the air, water or on land? a. pollution b. competition c. extinction d. adaptation
pollution
500
What does the word pollution mean?
harmful things that are put into an environment
500
Why are tigers endangered? (pg. 95) a. climate change b. can not find prey c. hunted for fur
c. hunted for fur
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