Habitats & Organisms
Food Webs
Adaptations
Inherited Traits
Enivironmental Changes
100
What is the basic need a crab meets by digging a hole in the sand? a.food b. air c. shelter d. water
c. shelter
100
What type of consumers are lizards in this food web? a. carnivores b. herbivores c. omnivores d. scavengers
c. omnivores Lizards eat both plants and other animals. That makes them omnivores.
100
Which of the folllowing would NOT give an organism an advantage in a hot, dry desert climate? a. digging burrows underground b. long ears to release heat c. shallow roots for quick water absorption d. hunting other animals
d. hunting other animals
100
Traits that describe an organism and are passed on from parents to their offspring are called___________. a. learned behaviors b. inherited traits c. special characteristics d. learned traits
b. inherited traits
100
All of the following can cause changes in an organism's environment, but which one is not a natural cause? a. lightning strike b. tornado c. deforestation d. flood
c. deforestation deforestationis the cutting down or destruction of the forest. It is caused by human activities, and is not a natural occuring event.
200
Which of the following would be considered a non-living part of a habitat? a. cactus b. snake c. water d. rabbit
c. water
200
In a food chain, which organisms are affected if one organism is removed? a. all of the organisms b. animals at the top of the food chain c. only plants and animals at the bottom of the food chain d. only animals that eat other animals
a. all of the organisms Every organism is important to the food chain in an environment. If an organism is removed, it eventually affects all of the other organisms in the ecosystem. Some populations may increase while others decrease, but all are affected.
200
All of the following are physical adaptations that help penguins to survive except _________. a. living in large communities b. having densely packed feathers c. being white on front and black on the back d. having a layer of blubber
a. living in large communities Living in large communities is a behavioral adaptation that helps the penguins to survive. Densely packed feathers, being white, and having a layer of blubber are all physical adaptations.
200
Which of the following describes an inherited trait? a. a skunk spraying its predator b. a dog ringing a bell to go outside c. a lion jumping through a hoop d. a chimpanzee using sign language
a. a skunk spraying its predator. A skunk's ability to spray its predators is an instinctive behavior that has been passed on by its parents.
200
What could have caused the land to look like it does in the picture? a. fire b. drought c. earthquake d. flood
a. drought A long period of dry weather that affects the environment and prevents the growth of plants is a drought. Droughts cause the land to dry up.
300
What is the specific area within an organism's environment where it lives and grows? a. species b. habitat c. community d. ecosystem
b. habitat
300
According to this food web, if the fox population was removed, what effect will it have on the other organisms? See food web.
The frog and mice populations will increase because fewer of them will be eaten. the owl population will increase because the owls will not have to compete with the foxes for food.
300
Snow leopards have extremely strong shoulders, long fur, wide feet, and an extremely long and flexible tail to help maintain balance. The snow leopard is best adapted to live in which environment? a. cold mountainous areas b. hot mountainous areas c. hot, dry, flat areas d. cold, aquatic areas
a. cold mountainous areas Snow leopards use their strong shoulders to help them climb in the mountains. Their long fur helps to keep them warm. The wide feet help to keep the leopard from falling. The long tail helps with balance.
300
Which of the following traits will a lion cub inherit from its parents? a. color of fur b. amount of food it eats c. where it lives d. amount of water it drinks
a. color of fur
300
A flood destroys all the animals' homes in a nearby forest, forcing many animals to live in a smaller area or to move somewhere else entirely. Since the flood, which basic need is probably not being met?
The need for space. Many animals need space to make homes, and cannot live near other animals that might endanger them or force them to compete for available food. Theis might cause some animals to move to a new habitat.
400
Grizzly bears that live in the same forest enironment form ________. a. a population b. an ecosystem c. a community d. a habitat
a. a population
400
What is the role of the rats in this food web? a. producers b. consumers c. scavengers d. decomposers
a. Consumers Rats get their energy from eating other organisms, such as shrubs and cacti. This makes them consumers.
400
A red tailed hawk uses all of the following characteristics to find and catch prey except ___________. a. eyesight b. beak c. sharp talons d. teeth
d. teeth Birds do not have teeth. A hawk uses its sharp eyesight to locate prety, its sharp talons to catch prety and a hooked beak to tear the prey apart.
400
What traits do most plants have in common? a. they have green leave b. they have thorns c. they have white flowers d. their leaves have the same shape
a. they have green leaves
400
Which of the following human activities is NOT harmful for the organisms living in that environment? a. clearing the forest to build homes b. planting trees where trees were cut down c. releasing chemicals into the air d. building a dam on a river
b. planting trees where trees were cut down Planting trees where trees have previously been cut down helps organisms that live within that environment. Trees provide food and shelter to many animals.
500
Why aren't penguins found living in deserts and cacti found living in the Antarctic?
To survive, an organism must live in ecosystems where theyir basic needs can be met.
500
If an insect that feeds on grass is introduced into this food web, how might this affect humans?
If the food source for the cows were depleted, it will cause the cow population to get smaller. This means there will be less beef for humans to eat.
500
How is a cactus adapted to desert living?
Cacti have shallow yet far reaching roots so when there is rainfall the roots can easily and quickly absorb the water that falls to the dessert floor.
500
Which of these human traits is most likely to be inherited? a. riding a bicycle b. swimming in a pool c. freckles on the face d. speaking a different language
c. freckles on the face
500
Use the table to answer the following question. Which environmental change would most benefit cactus plants? a. drought b. flooding c. forest fire d. both flooding and forest fire
a. drought a drought is a long period of time with little precipitation but with high amounts of evaporation. Cactus plants and plants with shallow roots that are adapted to survive with little water benefit from drought. Plants that cannot survive die providing clear growing space for more cacti.
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