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WorksheetsUnit 2-Heredity: Inheritance & Variations of Traits (2)
Total questions: 17
Worksheet time: 13mins
Name
Class
Date
1.
A trait is a _____________ of living things.
a)
characteristic
b)
reproduce
c)
variation
d)
trait
2.
If a tree that grows bent makes seeds and those seeds are planted in a greenhouse with no wind, will the new tree grow straight or bent?
a)
Straight
b)
Bent
3.
Living things reproduce and create ______________.
a)
reproduce
b)
traits
c)
offspring
d)
variations
4.
Malnutrition can often be corrected with a proper diet. Malnutrition is a genetic trait.
a)
True
b)
False
5.
Which is NOT a true statement?
a)
Maple trees have maple tree offspring
b)
Snakes have worm offspring
c)
Alligators have alligator offspring
d)
Lobsters have lobster offspring
6.
Malnutrition is caused by
a)
too few calories
b)
clean water
c)
too many calories
d)
lots of vitamins
7.
Extreme weather can be difficult for many organisms. In snowy climates, trees that have needles survive better than trees with flat leaves. We can say that the environment ________ trees with needles.
a)
selected for
b)
selected against
c)
had no effect on
8.
Seven lizards hatch from the same nest. Four have small yellow spots. Three have large yellow spots. Their parents most likely had
a)
No spots
b)
Yellow spots
c)
Red spots
d)
Yellow stripes
9.
____________ in traits are called variations.
a)
organisms
b)
variations
c)
differences
d)
a range of traits
10.
Offspring are the same kind of living thing as their __________.
a)
offspring
b)
parents
c)
variation
d)
characteristics
11.
Which of the following is a genetic trait?
a)
a horse is groomed to have a braided mane.
b)
a horse learns to give rides to people.
c)
a horse has hooves.
12.
Some environments have harmful substances. Eagles often have a chemical called DDT in their bodies. DDT is a poison, and can affect all parts of an eagle. DDT is a _________ for eagles.
a)
benefit
b)
normal nutrient
c)
limiting factor
13.
Trees at high elevations do not grow to full height. This is because the environment can cause a variation of the normal trait.
a)
True
b)
False
14.
When there is a large range of traits there are ___________ outcomes of the trait.
a)
number
b)
many possible
c)
no possible
15.
Sunshine does not reach the ground in a very thick forest. The young plants cannot grow unless some sunshine gets to them. For young plants in a thick forest, sunshine is
a)
a limiting factor
b)
a poison
c)
not important
d)
ground protection
16.
Deer in the mountains grow to a very large size. Deer and their offspring, in Florida grow smaller than deer from colder climates. Is this an environmental or genetic trait?
a)
Environmental
b)
Genetic
17.
What would happen to the seeds of a tree that grew bent, if those seeds were planted in an environment that was extremely windy?
a)
The tree would not grow.
b)
The tree would grow straight up.
c)
The tree would also grow bent, because it is in the same windy environment.
d)
It will grow straight because the wind will not affect it.
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