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WorksheetsEDSI 2375 Extinction & Fossils
Total questions: 25
Worksheet time: 13mins
According to most scientists, what is the ultimate cause of most mass extinctions?
overhunting
evolution of new species to replace old ones
major change in environment due to extreme natural events
asteroid impact
What to carnivores eat?
Meat
Plants
Plants & Meat
Species that are in danger of becoming extinct are called __________.
endangered
not lucky
extinct
in a jam
Evidence of an animal or plant that lived a long time ago on Earth is called a ________.
fossil
tiger
extinct
endangered
The preserved remains or traces of organisms that once lived on Earth. They are important because they provide evidence of the past.
cementation
erosion
fossils
weathering
Scientists who study fossils are called
archeologists
geologists
hydrogeologists
paleontologists
What can fossils tell us about an organism?
How long ago an organism lived
Where an organism lived
How an organism lived
All of the above
Which fossil layer is the youngest?
Layer A
Layer B
Layer C
Layer D
What does a fossilized jawbone or tooth tell us about that animal?
The animal's favorite food.
When the animal lived.
What the animal ate.
What color was the animal.
If an ecosystem changes, animals must
migrate
adapt
die
all of the above
What are the common causes of Species Extinction?
(Check all the possible answers)
Hunting
Reforestation
Deforestation
Over Exploitation
Pollution
It is one of the common causes of species extinction where human destroy the natural home of animals and its environment.
Hunting
Deforestation
Global Warming
Pollution
Failure of organisms to adopt to abrupt changes in environment may lead to extinction.
TRUE
FALSE
MAYBE
I DONT KNOW
What is a species?
it helps predators distract their prey
all types of an animal that live in one habitat
going into a deep sleep when seasons change
a group of living things that produces living things of the same kind
What is Climate change?
A change in the pattern of weather, and changes in oceans, land surfaces and ice sheets, occurring over time decades or longer
The state of the atmosphere's temperature, humidity, wind, rainfall over hours to weeks.
The increase of the overall temperature of the earth
Scientists have collected millions of fossils of different organisms, and have developed a timeline of life on Earth. What do we call this?
Mutation
Natural Selection
The theory of evolution
Fossil Record
The primary causes of extinction (and endangerment and threatened status) is...
Polar ice cap melting
Global warming
Habitat loss & degradation
Burning of fossil fuels
Biodiversity refers to
extinct species
nonrenewable resources
the rate of species decline
the variety of species on Earth
Which is an imprint fossil?
bone
a cast
an animal track
amber fossil
Which of the following substances is not able to preserve entire organisms?
sticky tar
water
amber
ice
