PASS Review 7

The life cycle of a plant involves other living things.  How do other organisms help plants?

• they help seedlings grow into adult plants
• they help pollinate flowers and spread seeds
• they help seeds germinate and sprout seedlings
• they help produce fruit

How do worms change their environment?

• they take in oxygen and carbon dioxide
• they break down dead things and create tunnels
• they feed birds
• they live underground

What do all amphibians have in common?

• they all feed on plants
• they all live only in the water
• they are all cold blooded
• they all care for their young

Here are two pictures of the same octopus.  Which is the best inference based on the octopus's pattern of behavior?

• It was threatened by an enemy
• it tightened its legs
• It will swim away quickly
• is it preparing to hunt

Students in Miss Unger's class had a contest to see who could collect the most aluminum cans in one week.  After a week, they would bring the cans to the recycling center.  Cara collected 17 cans, Shana collected 12 cans, Brad collected 10 cans, and Rustin collected 25 cans.  Which of the following would display the data?

• a bar graph
• a pie chart
• a line graph
• a venn diagram

Which changes in the environment cause animals to hibernate?

• temperatures drop and food becomes scarce
• resources are used up by humans
• pollution dirties their air, the water, and the land
• predators no longer hunt their prey

Hawks and snakes both eat mice.  What would happen to the habitat if the mice no longer reproduced?

• hawks and snakes would eat plants
• the habitat would attract more hawks and snakes
• hawks and snakes would need to find another prey
• the ecosystem would be completely destroyed

Which best describes why bats fly in a zigzag pattern as they feed?

• their eyes do not work well in the darkness
• their wings are not made to fly in a straight line
• they try to surprise prey by approaching from behind
• they use sound waves to help locate and catch insects

Which is the best inference about why a seed plant produces a fruit?

• fruit attracts pollinators that help in reproduction
• fruit carries the seeds of the plant
• animals will store fruit to eat during the winter
• animals eat fruit and spread the plant's seeds

Which of the following best describes a behavior learned by herons over time?

• feeding their young
• laying eggs once a year
• finding the best place for fish
• floating on top of ponds