Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/17

Click to flip

17 Cards in this Set

  • Front
  • Back
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
A) The bird population will increase.
B) The bird population will decrease.
C) The bird population will decrease, then increase.
D) The bird population will increase, then decrease.
In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?
B) The bird population will decrease.
Why do trees like maple and spruce grow in a temperate rainforest
community?
A) The trees grow well in the dry, hot climate.
B) The trees grow well in the wet, hot climate.
C) The trees grow well in the dry, cool climate.
D)The trees grow well in the wet, cool climate.
Why do trees like maple and spruce grow in a temperate rainforest
community?
D)The trees grow well in the wet, cool climate.
Which biome is home to more species than any other biome?
A) taiga
B) grassland
C) deciduous forest
D) tropical rainforest
Which biome is home to more species than any other biome?

D) tropical rainforest
Which adaptation best helps elk survive in the taiga biome?
A) thick fur
B) large antlers
C) change of color
D)winter hibernation
Which adaptation best helps elk survive in the taiga biome?
A) thick fur
Which of the following is the source of much of the oxygen in the atmosphere?
A) plants
B) volcanoes
C) trucks and cars
D) plankton in the oceans
Which of the following is the source of much of the oxygen in the atmosphere?

D) plankton in the oceans
Corals have a symbiotic relationship with plant-like algae that grow inside them. How do the algae benefit the corals?
A) The algae provide the corals with various nutrients.
B) The algae help the corals make a hard outside coating.
C) The algae allow the corals to live in deep ocean environments.
D) The algae release a toxin that keeps predators away from the
corals.
Corals have a symbiotic relationship with plant-like algae that
grow inside them. How do the algae benefit the corals?
D) The algae help the corals make a hard outside coating.
A plant in the desert would most likely have which root system?
A) a small taproot with long root hairs
B) a small taproot with short root hairs
C) a large root system, close to the surface
D) a large root system, deep beneath the surface
A plant in the desert would most likely have which root system?

C) a large root system, close to the surface
Creatures that live in the deep ocean need to adapt to which
environmental factor?
A) lack of food
B) high pressure
C) low levels of salt
D) high temperatures
Creatures that live in the deep ocean need to adapt to which
environmental factor?

B) high pressure
Both organisms need each other to survive in which of the
following examples?
A) a fungus and bacteria forming a lichen
B) a parasitic worm living in a fox’s bloodstream
C) a microorganism living in the stomach of a wolf
D) a squirrel scaring insects off a tree into the path of birds
Both organisms need each other to survive in which of the
following examples?
A) a fungus and bacteria forming a lichen
Different kinds of plants living in the same area must compete for water. Which kind of plant has the greatest chance of survival?
A) the plant with the largest leaves
B) a plant with a compact root system
C) the plant with the largest root system
D) a plant with needles instead of leaves
Different kinds of plants living in the same area must compete for water. Which kind of plant has the greatest chance of survival?
C) the plant with the largest root system
Look at the energy pyramid below. Where is the greatest amount of energy?

pic




A) A
B) B
C) C
D) D
Look at the energy pyramid below. Where is the greatest amount of energy?

pic






D) D
How do carnivores obtain energy?
A) They eat plants.
B) They eat animals.
C) They eat animals and plants.
D) They eat the food they make.
How do carnivores obtain energy?
B) They eat animals.
They eat the food they make.
What role do decomposers play in ecosystems?
A) They break down nitrogen and oxygen.
B) They break down waste and dead matter.
C) They provide nutrients for carnivores to make energy.
D) They provide nutrients for omnivores to make energy.
What role do decomposers play in ecosystems?

B) They break down waste and dead matter.
 They provide nutrients for carnivores to make energy.
 They provide nutrients for omnivores to make energy.
When decomposers break down the remains of dead organisms,
what do they make that can be used by plants?
A) starch
B) cellulose
C) nitrogen compounds
D) hydrogen compounds
When decomposers break down the remains of dead organisms,
what do they make that can be used by plants?

C) nitrogen compounds
Identify three nonliving parts of an ecosystem. Then explain how the nonliving parts impact the different kinds of organisms that live in the ecosystem and the population size of these organisms.
(2 points)
Pg 127-The non-living parts are air, water, soil, temperature and sunlight. Without water everything would die. The air contains oxygen that all plants need. Temperature must be able to support life, by organisma adapting. Plants need soil. All life needs energy from the sun.
Environmentalists are concerned with the destruction of wetlands
because they support the organisms living in and around them. Describe two ways that wetlands help the environment. (2 points)
Describe two ways that wetlands help the environment. (2 points) The plants, soils, and microorganisms act as filters by cleaning the water, and protecting the inland from ocean waves.
Look at the food web below. Identify two different food chains. In
each of the chains, label each organism as a producer or consumer.
Next, label each consumer as an herbivore, carnivore, or omnivore.
Then describe similarities between each of the food chains you
identified. (4 points)
pic
producer-cactus-Plant-
EATEN BY
consumers-herbavores (eat plants only) like rabbits, and dear.
EATEN BY
Consumer-Carnivore(eat meat only) or Omnivore(eat plants and meats)-
Omnivores can be eaten by Carnivores.