Charts
Food Webs
Competition
Biodiversity
100
This chart accurately shows a predator/ prey relationship. True or false?
True. Notice when the prey line goes down, the predator line eventually follows.
100
Name the 2 primary consumers on this list:
Red Foxes and Lynx
100
If there are 50 deer that live in a valley in central texas and then the gaming commission adds 25 more deer, will there be increased, decreased, or equal competition?
Increased competition
100
How does biodiversity affect an ecosystems sustainability?
The more biodiversity an ecosystem has, the more sustainability. The less biodiversity, the less sustainability.
200
In this energy pyramid, where would algae go?
Algae is a producer.
200
How does energy flow on this chart?
The energy is passed from the bottom to the level directly above it.
200
Describe how you know if organisms are competing with each other just by looking at a food web?
Two or more arrows begin at the same prey.
200
Ecosystem A--short grass, crickets, pigeons
Ecosystem B--Tall grass, ants, crickets, bees, rabbits, foxes
Which ecosystem is the least sustainable and why?
Ecosystem A is the least sustainable because it has the least biodiversity
300
In this food web, shrews, insect larvae, and snowshoe hares are all competitors for red-tailed hawks. True or false?
This is false. Shrews, insect larvae, and snowshoe hares are all eaten by the hawks, they do not compete.
300
In a food web, what is the trophic level called that receives energy from the primary consumers?
Secondary Consumers
300
In this food web, the snowshoe hares and the insect larvae are competitors. True or false?
True. They are competitors for the lynx
300
Ecosystem A--Rainforest
Ecosystem B--Desert
Ecosystem C--Savannah
Which ecosystem out of the 3 is the least sustainable?
The desert is the least sustainable because it has the least biodiversity
400
In this picture, rabbits and elk are competitors with each other for a certain producer. True or false?
True. In this food web the rabbit and elk compete for shrubs.
400
Name 2 things wrong with this food web.
The arrows are pointing the wrong way. Indicating that plants are eating animals. Every predator/ prey relationship is wrong in this food web
400
In this food web, the rabbit and the snake are competitors. True or false?
False. The rabbit and the snake do not get food from the same source according to this web.
400
Ecosystem A has the following from the energy pyramid:
Producers, Primary consumers
Ecosystem B has the following from the energy pyramid:
Producers, Primary Consumers, Secondary consumers, Tertiary consumers.
Which ecosystem is the least sustainable?
Ecosystem A is the least sustainable because it has the least biodiversity
500
The vine below is a strangler fig that grows in the canopy of the rainforest. It starts as a seed up high and drops it roots. The advantage it has over other plants in the canopy is that it gets more nutrients from the soil to grow bigger. True or false?
False. The vine grows from up high and drops it roots, therefore it gets little nutrients from the soil as it grows. It does however, get more sun.
500
In a food web, the name of the trophic level that receives energy from secondary consumers is called?
Tertiary consumers
500
According to this food web, the owl and snake are competitors. True or false?
True. They compete over rabbits.
500
Which biome is the most sustainable out of the rainforest, desert, tundra, and taiga?
The rainforest is the most sustainable because it has more biodiversity than any other biome.