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WorksheetsEcosystems and Animal Adaptations
Total questions: 20
Worksheet time: 10mins
What is one consequence of wetland destruction?
a decrease in wildlife habitat
a decrease in invasive species
an introduction of new plant life
an introduction of a new bird species
Which is an example of an organism benefiting from changes in the environment?
white arctic rabbits are more visible to predators because of warmer temperatures
an extreme cold temperature freezes the eggs of insects and decreases the population
an increase in national park lands gives species a larger habitat
global climate change raises ocean temperature and decreases the jellyfish population.
Below is a food Chain:
grasses - crickets - mice - snakes - hawks
Which population would most likely increase if the number of mice decreases?
hawk
snake
cricket
grasses
Sometimes the National Park Service sets controlled fires in certain areas. Why is this most likely beneficial to a national park?
because it eliminates non-native plant species
because it allows more animals to migrate into the park
because most animals need more open land to find enough food
because some plants need fire to release their seeds for germination
What will a zebra population most likely do if a very dry season with little rainfall kills most of the grass?
the zebra population will change its diet
the zebra population will travel in search of grass
the zebra population will produce more offspring
the zebra population will grow because it has more space
Which is one way most animals protect themselves from predators?
by blending in with thier surroundings
by searching for food and water
by sleeping for several months
by attracting mates
Which explains why some whales migrate?
to avoid predators
to locate food and to mate
to gain and protect a territory
to communicate with one another
Some large animals hibernate in the winter when it is cold and there is a lot of snow. Why do some animals hibernate?
because they become sleepy and want to rest
because food becomes scarce and they must save energy
because they do no like to get their paws wet and want to keep them dry
because their habitat is normally warm and the cold bothers them
Which behavior would a lizard use to survive in the desert?
looking for water to swim in
burying itself in the cooler sand below
hunting for food midday when the sun is hottest
hiding under the leaves of a tree to avoid the sun's heat
Which behavior is least likely to help an animal survive in the winter months?
a beaver builds a lodge and stays inside more during the coldest part of the winter
a penguin stands very close to other penguins during the coldest part of the winter
a mouse gathers and stores extra seeds when the weather starts to get cold
a squirrel produces a litter of eight baby squirrels when the weather starts to get cold
Which describes what should be done with paper after it has been used?
It should be burned.
It should be recycled.
It should be torn into small pieces.
It should be thrown in the garbage.
What is one way people can keep water usage to a minimum?
collect and use rainwater
water the lawn every afternoon
leave the water running when washing dishes
plant shrubs that need constant watering
Which will most likely prevent erosion of the ground?
building a dam
removing trees
planting shrubs
making a rain garden
How might people in a city best improve the surrounding environment?
by eliminating green space
by leaving trash on sidewalks
by starting a community garden
by allowing abandoned buildings to fall apart
What can increase nutrients to the soil in a garden?
adding compost to the soil
digging in the soil frequently
keeping the soil wet all the time
eliminating all insects in the soil
What body feature allows a tree frog to grab branches?
large eyes
small whiskers
long, slim, grasping fingers
stubbies finger to walk and run on
Many years ago, peppered moths were mostly grey, but a small number were black. Over time, the bark of the trees that the peppered moths lived on was darkened by air pollution from factories. What effect did the darkened tree bark have on the peppered moths' population?
more grey moths survived then black moths
more black moths survived than grey moths
there was no change to the population of black moths
there was no change to the population of grey moths
A deer is born as an albino, which is white in color. Why is this a disadvantage to its survival?
because it requires the deer to consume more food
because it requires the deer to consume more water
because it makes it harder for the deer to reproduce
because it make it harder for the deer to hide from predators
Which is a reason some animals within a population have bright colors?
animals with bright colors are better able to hide from their mates and predators
animals with bright colors are better able to scare other animals away
animals with bright colors are the weak animals in the population
animals with bright colors are the adult animals in the population
Not all hawks in the same population are born with talons (claws) of the same length. How could having longer talons be an advantage to a hawk?
longer talons make it easier to catch bigger prey
longer talons make it easier to fly to the nest
longer talons make it easier to build a nest
longer talons make it easier to find prey
