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WorksheetsLife Science DPM Review
Total questions: 49
Worksheet time: 49mins
Scientists uncovered the fossil above during a fossil dig.
What can scientists infer about the environment at the time that this animal was alive?
The environment was covered with water.
Only animals that fly lived in the environment.
Various animals were present in the environment.
This environment received very little rainfall.
A scientist found the fern fossil shown.
Which question can the scientist most likely answer by examining this fossil?
How tall did the fern grow before it became a fossil?
Which other plants had to compete for space with the fern?
How much carbon dioxide did the fern release into the air?
What was the environment like in the area when the fern was alive?
The picture shows rock layers.
Which layer of rock in the picture is the oldest?
Layer A
Layer B
Layer C
Layer D
While searching for fossils in Central Texas, a paleontologist found this fossil.
What information can we learn from this fossil?
Central Texas must have been covered by water at one time.
Central Texas was once a forest that was covered by ash from a volcano.
Central Texas has not changed for millions of years.
Central Texas was a desert millions of years ago.
The picture shows four different rock layers in a hillside.
What is the best evidence that one of these layers of rock was formed under an ocean?
the thickness of the layer
the type of fossils found in the layer
the number of caves in the layer
the location of the layer
What two organisms get thier energy direrctly from insect larve?
Algae and Minnows
Sunfish and Bass
Minnows and Sunflish
Snails and Snapper Turtles
What part of a food web transfers the most energy?
Producer
Primary Consumer
Secondary Consumer
Decomposer
Which of the following is NOT an example of something depending on another organism
Your mother making your lunch everyday
A plant producing food from photosynthesis
A rabbit eating grasses and fruit
A mountain lion eating deer and hogs
If you found a broad leaf fossil, you could infer that the land was once a part of a ...
Desert
Ocean
Tundra
Forest
True or False: A hawk circling in the air over a tree means the hawk is interacting with tree?
True
False
What are the living and nonliving things in an environment or area?
predator
producer
ecosystem
abiotic factor
__________________ are consumers that eat ONLY MEAT (other animals)?
Omnivores
Carnivores
Producers
Herbivores
What are fossils?
Animals from long ago
Remains of living things from last year
Remains of living things from long ago
Shells found on the beach
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.
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
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
Decomposers such as fungi, insects, and molds get their energy from __________.
Water
Decaying plants and animals
Fertilizer
All of the above
Which of the following is a TRUE statement about humans and the environment?
All human activities destroy habitats
All human activities are good for the environment
All human activities are bad for the environment
Some human activities are good for the environment
One year, there are more new snakes hatched in the forest than in other years. How would this affect the other organisms that year?
The plants would have fewer nutrients.
There would be an increase in the number of birds
The tigers would have more to eat.
There would be fewer mushrooms
The student draws a diagram to show the roles of the producers, consumers, and decomposers in the rainforest. How is the role of the decomposers different from the role of the producers?
The decomposers eat the plants to get energy.
The decomposers make food using energy from the sun
The decomposers provide nutrients for the atmosphere.
They decomposers break down dead organisms.
A student is developing a model of an ecosystem. Why does she want to include the sun in her model?
The sun is needed to make the seasons on Earth.
The sun keeps everything warm on Earth.
The sun allows plants and animals to be part of the same ecosystem.
The sun provides the energy for the production of food in the ecosystem.
Which of the following statements about producers is CORRECT?
they make their own food
they eat other organisms
they make things other than food
they obtain food by breaking down the remains of other living things
Which of the following statements about consumers is CORRECT?
they make their own food
they eat other organisms
they make things other than food
they obtain food by breaking down the remains of other living things
Which of the following human activities has a positive effect on the environment?
planting new forests
recycling paper and plastic
protecting endangered species
All of the above
How does an increase in the number of people on Earth negatively affect the environment?
more water is used causing draughts and affecting habitats
more fossil fuels are burned
habitats are destroyed because more space is needed
All of the above
A wetland has been cleared to make space for a new housing development. Which of the following would be considered a negative effect to the bog turtle, a native organism living in the area?
the bog turtles would eventually be taken in by residents as pets
a new man–made lake would provide cleaner water to the bog turtle than the wetland
there would be less predators in the area to prey on the bog turtle
the bog turtle would no longer have the habitat it is accustomed to in which to lay its eggs
What is missing in this simple food chain?
Consumer
Producer
Decomposer
Herbivore
