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WorksheetsSTAAR Review Life Science
Total questions: 15
Worksheet time: 38mins
Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants?
By releasing oxygen to the air.
By making space for new animals.
By decreasing the population of herbivores.
By returning nutrients to the soil.
Some facts about birds called cattle egrets are listed above.
Which of these facts best describes how these birds depend on other animals to survive?
Fact 1
Fact 2
Fact 3
Fact 4
A student observes the following activities while walking in a park.
Which of these living organisms was interacting with another living organism in the environment?
Fire ant
Blue jay
Bee
Hawk
Which of these describes one or more living organisms that depend on nonliving components?
Bacteria living in the mouth of a horse.
Ivy plants growing up a fence to obtain more sunlight.
An angelfish eating shrimp.
A bird nesting in a tree.
The food web above represents organisms in a field.
What role do raccoons play in this food web?
Prey
Producer
Consumer
Decomposer
A food web for some organisms in an African rain forest is shown above.
Which organisms in this food web eat only consumers?
Okapis
Civets
Leopards
Gorillas
A partial forest food web is shown above.
In this food web energy is transferred directly between-
Blue grouse and wolves
Elk and sharp-shinned hawks
Conifer seeds and red crossbills
Conifer leaves and northern goshawks
One stage in the life cycle of an apple tree is the release of seeds.
Which of these animal activities is most like the stage of the life cycle in which seeds are released?
A snake shedding its skin
A swarm of bees leaving a hive
A tadpole growing into an adult
A bird laying an egg
Data for four animal populations in a wooded area were collected before and after a shopping mall was constructed near the area. The graph above shows changes in the populations.
Which animal's food sources most likely increased after the mall opened?
Squirrels only
Snakes, squirrels and raccoons
Raccoons only
Snakes, squirrels and deer
The nesting habits of four types of birds are described in the table above.
If all the dead branches and dying trees in a wooded area are removed, which birds nesting habit would be most affected?
Baltimore oriole
Barn swallow
Downy woodpecker
Belted kingfisher
Eagles catch fish in rivers with their talons. They fly with the fish to a tree branch and tear the fish into small pieces. Which bird most likely catches and eats its food the way an eagle does?
The table above gives information about four types of fish. These fish all have mouth structures that allow them to eat different types of food.
Which of these fish has mouth structures that allow it to eat algae by taking large bites of the hard coral on which the algae grows?
Parrotfish
Koi
Goby
Seahorse
Crayfish live in water and often hide under rocks or plants. They come out to look for food and will eat both plants and animals.
Which of these is a trait that crayfish most likely inherits from its parents?
The number of legs it has
The amount of food it eats each day
The type of plants in its habitat
The average distance it travels each day
A farmer keeps bees to pollinate crops. The farmer makes several observations about the bees.
Which of the observations above describes a learned behavior?
Bees make return trips to drink sugar water from a bowl placed 40 meters from their hive.
Bees have dark eyes and black-and-yellow stripes.
Bees produce honey from the nectar they collect.
Bees will sting when threatened or disturbed.
For a Science assignment a student was asked to observe some organisms and then make a table to classify the organisms' traits as inherited or learned. The student's table is shown above.
How many of these observations describe learned behaviors and how many describe inherited traits?
1 learned behavior, 7 inherited traits
2 learned behaviors, 6 inherited traits
3 learned behaviors, 5 inherited traits
4 learned behaviors, 4 inherited traits
