Changes to Ecosystem

A habitat is the place where an animal lives. Which animal's habitat is probably not in the desert?

• an insect
• lizard
• desert rat
• bear

How does a bird "change its environment" to meet its NEEDS?

• builds a nest
• flies around
• catches bugs
• looks for something to eat

When a certain population becomes so dense that it harms or changes the quality of life in that environment, we have...

• a population
• overpopulation
• pollution

_____________ are special features that allow offspring to live in a particular area, such as webbed feet or thick fur.

• adaptations
• biomes
• secondary succession
• habitat

The process by which plants make their own food is called -

• Respiration
• Photosynthesis
• Digestion
• Baking

Which of the following is NOT an ingredient of Photosynthesis?

• Carbon Dioxide
• Water
• Oxygen
• Sunlight

Which of the following could increase the amount of oxygen in the air?

• Building more houses
• Paving more streets
• Planting more trees
• Burning more oil

Which adaptation of a frog most helps it capture insects to eat?

• sticky tongue
• Croaking sound
• Laying eggs
• Smooth skin

What could scientist tell from a fish fossil found in a desert?

• 
  That fish is now extinct.
• Fish once had legs to travel.
• Fish once lived in dry places.
• The desert was once a sea or lake.

How are a hawk and an owl able to succeed, even though they compete for food?

• The hawk eats the owl.
• The owl changes its diet.
• One animal moves to a different habitat.
• One hunts at night, and the other hunts during the daytime.