Food Webs/Chains
Where does most energy in an ecosystem originally come from?
The Sun
What is the process plants use to make food?
Photosynthesis
Which plant structure helps a cactus survive in a dry desert?
A. Large thin leaves
B. Short roots
C. Thick stem for storing water
D. Soft petals
C. Thick stem for storing water
A tapeworm living inside a dog is an example of—
Parasitism
A squirrel stores nuts during the fall mainly to—
A. attract predators
B. prepare for winter when food is limited
C. grow larger trees
D. increase rainfall
B. prepare for winter when food is limited
What happens to energy as it moves through a food chain?
10% gets carried to the next level.
True or False: Plants go through BOTH cellular respiration and photosynthesis.
True
Which resource do plants need most directly to grow?
Water and sunlight
What is one effect of removing wolves from an ecosystem?
A. Prey populations may increase too much B. Plants immediately disappear C. Decomposers stop working D. All animals migrate away
A. Prey populations may increase too much
Which behavior best helps penguins survive in cold environments?
A. Flying south every day
B. Hibernating underground
C. Huddling together for warmth
D. Sleeping in trees
C. Huddling together for warmth
Which sequence shows the correct order in a food chain?
A. Hawk → grass → rabbit B. Grass → rabbit → fox C. Rabbit → grass → fox D. Mushroom → grass → rabbit
B. Grass → rabbit → fox
What is the products of photosynthesis?
Glucose & Oxygen
What is the definition of abiotic factor?
Nonliving thing
Which relationship benefits both organisms?
Multalism
Why do some plants have waxy leaves?
A. To attract animals
B. To reduce water loss
C. To produce more oxygen
D. To absorb extra heat
B. To reduce water loss
Why are producers important in ecosystems?
They begin the flow of energy
What is the chemical formula for glucose?
C6H12O6
Why do plants in a crowded forest compete?
For space & sunlight
When two animals compete for the same food source, they are showing—
Competition
What's Ms Abby's favorite movie? BE SPECIFIC
Cars 2
What is a food web?
Explain the relationship between photosynthesis & cellular respiration?
Answers will vary.
A drought would most likely affect organisms by—
Reducing available resources
Name the Vocab Word: interaction between two different organisms living in close physical association, typically to the advantage of both.
Symbiosis
08/13