Organisms and their Environment
Energy Flow in Food Chains
Effects of Natural Changes in Environments
Texas Fossils
Random
100
Bears hibernate to save energy. When might they hibernate?
A. when the weather is very dry
B. when the weather is very rainy
C. when the weather is cold
D. when the weather is hot
C. when the weather is cold
100
grass --> cricket --> scorpion --> roadrunner
Which of the following is a true statement?
A. The sun gives energy to the grass.
B. The road runner gives energy to the Sun.
C. The cricket receives energy from the road runner.
D. The scorpion receives energy from the road runner.
A. The sun gives energy to the grass.
100
A flood is happening in a forest. What animals would THRIVE in the flooded area?
A. armadillos.
B. fish
C. grass
D. rabbits
B. fish
100
The diagram below represents layers of rock where fossils were found. Based on the diagram, which fossils are older than the shell fossil?
Select TWO correct answer.
A. Layer 1
B. Layer 2
C. Layer 4
D. Layer 5
C. Layer 4
D. Layer 5
100
What is it called when an animal goes into a long, deep sleep?
A. Migration
B. Hibernation
C. Estivation
D. Nesting
B. Hibernation
200
Some birds fly south to survive changes in temperature and precipitation. Why do they fly south?
A. to find less food
B. to find colder temperatures
C. to find less water
D. to lay their eggs
D. to lay their eggs
200
grass --> chipmunk --> snake --> coyote
Which of the following is a true statement?
A. The grass gives energy to the sun.
B. The snake gets energy from the chipmunk.
C. The chipmunk gets energy from the snake.
D. The snake gives energy to the chipmunk.
B. The snake gets energy to the chipmunk.
200
A flood is happening in a forest. What animals would PERISH in the flooded area?
A. racoons
B. turtle
C. rats
D. opossums
B. turtle
REMEMBER: Animals more vulnerable to floods:
Burrowing animals: Animals like turtles, groundhogs, moles, and prairie dogs can get trapped in their flooded burrows.
200
Fossils as Evidence Set B - Paired Multiple Choice
1 of 21 of 2 Items
Question
The diagram below represents layers of rocks where fossils were found.
Scientists believe there was a sudden change in the environment.
Which statements are supported by the information in the diagram? Select TWO correct answers.
A. Layer 1 supported aquatic (water) plants.
B.The formation of Layer 3 occurred before the formation of Layer 4.
C. At one time the area was covered by an ocean.
D. The formation of Layer 3 occurred before the formation of Layer 2.
E. Large trees most likely grew in Layers 3 and 4.
C. At one time the area was covered by an ocean.
D. The formation of Layer 3 occurred before the formation of Layer 2.
200
A teacher showed this chart about desert organisms and where they get their energy:
Yucca – gets energy from the Sun
Rat – eats seeds from the yucca
Lizard – eats flowers from the yucca
Rattlesnake – eats rats and lizards
Coyote – eats rats and birds
Which of these are possible food chains in this desert ecosystem?
Select TWO correct answers:
A. Yucca → Coyote → Rattlesnake
B. Coyote → Rat → Yucca
C. Yucca → Lizard → Rattlesnake
D. Yucca → Rat → Coyote
C. Yucca → Lizard → Rattlesnake
D. Yucca → Rat → Coyote
300
Changes in temperature and precipitation affect animal behavior. How might an animal's behavior change?
Pick two correct answers.
A. Snakes travel south in the rainy season for water.
B. Bats breathe slowly and their hearts beat slower, too.
C. Groundhogs eat extra food before winter.
D. Bears travel south for warmer temperatures.
B. Bats breathe slowly and their hearts beat slower, too.
C. Groundhogs eat extra food before winter.
300
grass --> grasshopper--> mouse -->snake -->hawk
What would happen to this food chain if there was no grass?
A. The grasshopper would eat the mice, and the snakes would eat leaves.
B. The mice would have more grasshoppers to eat.
C. The snake population would increase.
D. The grasshopper population would decrease.
D. The grasshopper population would decrease.
300
A forest fire destroys this ecosystem, and most organisms perish or flee (move away).
What will most likely happen to the deer during the fire?
A. They will eat all the plants quickly and thrive.
B. They will migrate to a new location.
C. Their population will increase.
D. They will burrow in the ground until the fire is out.
B. They will migrate to a new location.
300
The diagram below represents layers of rocks where fossils were found.
Based on the fossils, which statement BEST describes one of the layers?
A. Layer 2 was a forest.
B. Layer 1 was a desert.
C. Layer 3 was an ocean.
D. Layer 4 was a grassland.
C. Layer 3 was an ocean.
300
Look at this forest food chain:
Dandelion → Field mouse → Blue jay → Red-tailed hawk
Predict what would MOST LIKELY happen if all the field mice in this food chain disappeared.
Select TWO correct answers:
A. The blue jay population will decrease
B. The red-tailed hawk population will increase
C. The dandelion population will increase
D. The red-tailed hawk will start eating dandelions
E. All the dandelions will die
A. The blue jay population will decrease
C. The dandelion population will increase
400
Students observe a tree that has no leaves in the fall and winter. Which statements explain DORMANCY?
Choose two correct answers.
A. more sunlight is available
B. temperatures increase and get a little warmer
C. temperatures decrease and are freezing
D. there is little to no precipitation
E. there are many flowers blooming
C. temperatures decrease and are freezing
D. there is little to no precipitation
400
grass --> grasshopper --> mouse--> snake -->hawk
What might happen to the rest of the food chain if there was an increase in the mouse population?
A. The grasshopper population will increase.
B. The snake population will increase.
C. The hawk population will decrease.
D. The grass population will decrease.
B. The snake population will increase.
400
If a forest ecosystem experienced a long drought, which of these is MOST LIKELY to occur?
Choose TWO correct answers.
A. Some plants may perish because they don’t get enough water.
B. Animals might leave the area to find water elsewhere.
C. The forest will grow more trees than before.
D. There will be more rain to help the forest recover quickly.
E. The animals will start needing less water to survive right away.
A. Some plants may perish because they don’t get enough water.
B. Animals might leave the area to find water elsewhere.
400
Fossils provide evidence of past climates and ecosystems on Earth. Scientists found the following fossils at a site near Austin, Texas.
Based on these findings, what kind of ecosystem could the scientists infer was in this area about 75 million years ago?
A. a desert
B. a shallow sea
C. a grassland
D. a rainforest
B. a shallow sea
400
In a forest ecosystem, plants and animals depend on each other for food. A simplified food chain looks like this:
Grass → Rabbit → Fox → Eagle
If a disease caused all the rabbits to perish what would most likely happen?
A. There would be fewer blades of grass
B. The eagle population would grow bigger
C. Fewer foxes would survive
D. Eagles would start eating grass
C. Fewer foxes would survive
500
Which statement explains when animals migrate?
A. Trees stop growing when temperatures get colder.
B. Birds eat through the cold winter.
C. Bears eat a lot to build up energy, then stay in burrows underground all winter.
D. Birds fly south in the cold and fly back to the north when temperatures get warm in spring.
D. Birds fly south in the cold and fly back to the north when temperatures get warm in spring.
500
small ocean plants and algae --> small ocean animals--> fish --> shark
Which of these changes might happen if there were a decrease in the small ocean animal population?
Select TWO correct answers.
A. an increase in small ocean plants and algae.
B. an increase in fish
C. a decrease in sharks
D. a decrease in small ocean plants and algae
A. an increase in small ocean plants and algae.
C. a decrease in sharks
500
Which organisms would MOST LIKELY perish if there was a long drought?
Choose TWO correct answers.
A. Cacti in the desert
B. Fish living in a pond
C. Frogs that need water to survive
D. Birds that can fly to new areas
E. Insects that can hide underground
B. Fish living in a pond
C. Frogs that need water to survive
500
Fossils are the remains of plants and animals that lived a long time ago. Scientists study fossils to learn about the past. Which of the following can scientists learn by studying fossils?
A. The type of environment the animal lived in
B. The color of the animal’s fur
C. The amount of water the animal drank
D. The number of plants the animal ate
A. The type of environment the animal lived in
500
In some forests, winters can be very cold and snowy, and it’s hard for animals to find food. Some animals, like bears and squirrels, go into a long, deep sleep during the winter.
Why do these animals sleep through the winter?
A. To find more food
B. To save energy and survive the cold
C. To play in the snow
D. To learn new skills
B. To save energy and survive the cold