Adaptations
The anole lizard can change the color of its skin to match its surroundings. Changing its skin color....
a. allows the lizard to sleep at night
b. helps the lizard find food and water
c. keeps enemies from seeing the lizard
d. warns the animals to avoid the lizard
keeps enemies from seeing the lizard
What is the original source of energy for all organisms in the pond ecosystem?
Sun
Which of the following is represented in the diagram #3?
a. evaporation of water
b. transfer of energy
c. reflection of light
d. animal life cycle
transfer of energy
Look at #1 on the screen Which of the following is an example of a life cycle?
D
Having large eyes might help an organism survive in what type of environment?
dark
Some plants, such as a cactus, are covered with sharp spines. How do these structures help the cactus survive?
a. The protect the cactus from animals that eat it
b. They let the cactus get water from the ground
c. They allow food to pass into the cactus stem
d. They provide shade and shelter from the cactus
They protect the cactus from animals that eat it
Living and nonliving things interacting and working together is called....
ecosystem
What is most likely the first thing to result from having fewer field mice in the food chain pictured in diagram #4?
a. The snakes would have to find another food source
b. The plants that make seeds would decrease in number.
c. The eagles would have to fly away to a location.
d. The mice would eat many more kinds of seeds.
The snake would have to find another food source
The life cycle of a flowering plant starts again when a mature plant produces...
seeds
Mole cricket adaptations:
very tiny eyes
dark tough outer covering
cylinder shaped body
strong shovel like front legs
Based on this information, a mole cricket is best adapted to what living conditions?
a. swimming in the ocean
b. burrowing underground
c. climbing tall trees
d. flying long distances
burrowing underground.
Which animal's foot is best adapted for catching and holding prey? Look at diagram #7
A
Name a nonliving part of an ecosystem.
sun, water, air, soil
A new fish that also eats plants is introduced to the pond in #5. What changes would occur to the pond ecosystem?
a. The large fish population will decrease
b. The plant population will decrease
c. The small fish population will increase
d. The new fish population will decrease
The plant population will decrease
How is the plant life cycle usually different from an animal life cycle? Only plants....
a. grow larger
b. produce seeds
c. eat food
d. move about
Produce seeds
Look at diagram #10. What stage is present in a lady beetle life cycle that is missing in the grasshopper life cycle?
a. eggs
b. nymph
c. pupa
d. adult
Pupa
The polar bear lives in cold, snowy environments. Which of the following characteristics of the polar bear is an adaptation to keep it warm?
a. sharp teeth and claws
b. thick fur and layers of fat
c. large paws and strong legs
d. white color and short tail
thick fur and layers of fat
A disease is causing plants not to grow in the habitat in diagram #8. How will it affect the food chain?
a. large fish numbers will increase
b. small fish numbers will increase
c. small fish numbers will decrease
d. sunlight will increase
small fish numbers will decrease
Put these in the correct order for the life cycle
plants
sun
meat eater
plant eater
sun -->plants-->plant eater-->meat eater
Using the chart labeled #2, which sequence of a frog's life cycle is correct?
3,4,2,1
The changes in form that some insects go through during their life cycle is called....
a. pupa
b. egg
c. metamorphosis
d. larva
metamorphosis
Which of the following would protect a plant from being eaten?
a. large flowers
b. deep roots
c. sweet fruit
d. sharp thorns
sharp thorns
In diagram #9, what is the best explanation for what is happening to the population of coral reef fish in the area?
a. The fish have more shelter from predators
b. There are more predators in the ecosystem
c. The food supply of the fish has increased
d. The amount of sunlight is increasing.
There are more predators in the ecosystem
Based on the food chain in #6, what effect would be the most likely direct result of increasing the number of fish?
a. Beetles would have trouble finding food
b. There would be more kinds of plants
c. The population of beetles would decrease
d. Plants would no longer survive in this habitat
The population of beetles would decrease
How are adult animals and adult plants the same? Both...
a. can make their own food
b. have a larva stage
c. can produce offspring
d have at least two legs
can produce offspring
The small worm like stage in the life of some insects is called...
a. pupa
b. egg
c. metamorphosis
d. larva
larva