WorksheetsEvolution
Total questions: 8
Worksheet time: 6mins
Name
Class
Date
1.
Which of the following is true of reproduction?
a)
only small organisms have a high chance to reproduce.
b)
Only large organisms have a high chance to reproduce.
c)
All genes that are beneficial are passed on to the next generation.
d)
On average, the fittest organisms pass on genes to the next generation.
2.
Many of the animals that live in the northernmost region of the Northern Hemisphere have white fur. How does having white fur make these animals more likely to survive in an arctic environment.
a)
White fur repels insects and parasites that live in the Arctic
b)
White fur absorbs more sunlight to help them keep warm.
c)
White fur provides less water resistance to make them swim faster
d)
White fur helps them to blend in with their environment
3.
A disease is introduced that kills off a large portion of the blueberry bushes,. Which beak size and shape will future generations of the birds most likely have?
a)
Large and round
b)
large and oval
c)
medium and round
d)
medium and oval
4.
How do scientists use layers of sediment to help them learn about fossils?
a)
They compare the soil layers to determine the relative age of the fossils?
b)
They study the soil around the fossil o determine the species
c)
the test the soil layers to learn the age of the fossilized organism when it died
5.
Sexual reproduction may lead genetic mutation. Some mutations are harmful and some mutations are helpful. If an animal develop a mutation that helped it to defend itself really well, which of the following would happen?
a)
That trait (characteristic) would be represented in more individuals in successive generations.
b)
That characteristic would be passed on the ALL of the offspring
c)
That characteristic would disappear from the species in a few generations
6.
Fisherman at a local beach often catch spotted trout. The fisherman usually keep the large fish and throw back he smaller fish. Overtime, natural selection will most likely act on the population of trout and cause the population to be dominated by
a)
small fast growing fish
b)
large slow growing fish
c)
small slow growing fish
d)
large fast growing fish
7.
The picture shows a cave dwelling fish that lives in Mexico called the Mexican Tetra. There is a surface dwelling fish that looks similar to but it has eyes and a silver body. Which of the following explains the difference to between these 2 forms of the same fish?
a)
The surface dwelling fish were larger than the cave dwelling fish, intimidating the cave dwelling fish from living on the surface.
b)
The cave dwelling fish were too far away from sunlight causing problem in thei development and changing their appearance
c)
The cave dwelling fish adapted to the darkness and no longer needed eyes or to blend in to their environment
8.
Which statement best describes a relationship between these organisms.
a)
Organism W is more primitive (older) than Organism X & Organism Y
b)
Organism W was more advanced than the other 2 organisms
c)
All the organisms became exinct at the same time
100 %
