Quiz about Unit 2 Study guide- Quiz form

Question 1

In the food web the amount of MATTER that carries energy flowing in and out

Accepted Answer

Remains constant

Answer

is created and destroyed.

Answer

Makes a pattern

Question 2

examples are kudzu, fire ants, the Burmese python, Lionfish, Zebra Musse

Accepted Answer

invasive species

Answer

individual species

Answer

keystone species

Answer

your great great grandma's species

Question 3

__________ species reproduce rapidly in a new habitat due to the lack of parasites and predators that would naturally control their population growth.

Accepted Answer

invasive

Answer

abrasive

Answer

herbivore

Answer

omnivore

Question 4

Matter is neither created nor destroyed, and matter and energy are transferred through food webs, beginning with solar energy used for photosynthesis. A catastrophic event eliminates all plant life associated with a food web. What is (generally) the result of eliminating all the plants in this situation.

Accepted Answer

The food web would completely collapse

Answer

the food web would become a food chain.

Answer

The predators would overpopulate

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the underpopulation of decomposers would begin.

Question 5

In general, which trophic level has the LEAST energy available to it?

Accepted Answer

whatever's at the top/Apex Predator

Answer

whatever's at the bottom

Answer

the moose

Answer

the detritivores

Question 6

In general, which trophic level has the LEAST energy available to it?

Accepted Answer

tertiary/apex consumers

Answer

Producers

Answer

herbivores

Answer

secondary consumers

Question 7

Which has the most energy (for its biomass)?

Accepted Answer

a single, tiny, chemosynthetic bacteria

Answer

an omnivore secondary consumer

Answer

a decomposer bacteria

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a Sasquatch that is a voluntary herbivore (primary consumer)

Question 8

In a typical food chain, about what percentage of energy is passed on to the next trophic level?

Accepted Answer

10%

Answer

90%

Answer

40%

Answer

H20%

Question 9

What percentage of the energy is converted to heat and wasted into the environment?

Accepted Answer

90%

Answer

10%

Answer

20%

Answer

The sun

Question 10

The Great Barrier Reef is home to many types of different animals, including sea turtles, coral, sea snakes, great white sharks, shrimp, and giant clams. What do all of these animals have in common?

Accepted Answer

They are all consumers

Answer

They are ALL keystone species

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They are all producers

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They all are invasive species

Question 11

What happens to any matter that is not used by consumers in a food chain?

Accepted Answer

It is recycled by the decomposers for use in photosynthesis and cellular respiration again.

Answer

It all gets destroyed when things die.

Answer

It flies into space never to be seen again

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It gets unicycled by the threecomposers for use in protosynthesis and pokemon respiration.

Question 12

Imagine that a local farmer has sprayed an ecosystem area with insecticide. Predict how this might impact the food web and the roles each organism plays within it. What would happen to the higher level consumers?

Accepted Answer

They might have to migrate elsewhere, or starve.

Answer

They would adapt automatically to less available energy.

Answer

They might have to adapt to eating plants with their sharp teeth.

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They would submit a formal protest to the American President.

Question 13

The gopher tortoise is Georgia's state reptile . They dig burrows which other animals in the ecosystem rely on for survival. Without them, the ecosystem would collapse. What type of species is the gopher tortoise to the ecosystem?

Accepted Answer

Keystone species

Answer

producer of holes

Answer

producer

Answer

invasive species

Question 14

Keystone species are those that are a necessary component to the stability of the ecosystem, and without them, many other organisms would not survive and the ecosystem can collapse. Which of these is NOT an example of a keystone species and the role it plays in Georgia's ecosystems? Beavers, Alligators, Red-Coated Woodpeckers, Kudzu, Oak Trees.

(you can google parts of this while you're still studying right now)

Accepted Answer

Kudzu

Answer

Beavers

Answer

Red-Coated Woodpeckers

Answer

Oak Trees

Answer

A yellow-bellied, goober-headed, freshmen

Question 15

How could limiting invasive species have a positive effect on biodiversity in any ecosystem?

Accepted Answer

Reducing competition for the native species there.

Answer

All the ring-tailed crusty goobers would de-crust themselves.

Answer

Reducing predators that regulate the ecosystem.

Answer

increasing keystone species because reasons.

Question 16

Herbivore is another term for

Accepted Answer

primary consumer

Answer

secondary consumer

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tertiary consumer

Answer

apex predators

Question 17

Detritivore is a more advanced word for

Accepted Answer

scavengers

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ravagers

Answer

honey badgers (don't care)

Answer

Wyatt Beavers

Question 18

Based on the energy pyramid seen here, which group of organisms is the primary consumer?

Accepted Answer

Zooplankton and Insects

Answer

Zooplankton and phytoplankton

Answer

predator fish

Answer

small fish

Question 19

All but one of the organisms listed depends on the successful growth of kelp beds in a marine environment. That is the

Accepted Answer

fruit fly

Answer

otters

Answer

big fishies

Answer

crustaceans, cetaceans, and cnidarians.

Question 20

All but one of the factors may cause an animal species to be placed on the endangered list. The factor that does not directly contribute to the endangered status is

Accepted Answer

introduction of the animal into places that it has previously gone extinct.

Answer

introduction of non-native animals to the range of the animal.

Answer

habitat loss because of city construction.

Answer

pollution from human sources.

Answer

getting the fortnight battlepass

Question 21

What is the role of the beaver in its ecosystem?

Accepted Answer

It is a keystone species that modifies its natural environment by damming streams to form wetlands.

Answer

It is a foundation species and the main source of food for the natural predators of its ecosystem.

Answer

It is an apex predator, regulating the number of other species through hunting, thus it is also a keystone species

Answer

it uses mimicry and camouflage to trick its predators and prey into thinking it is Steve Irwin

Question 22

In 1859, two dozen rabbits were introduced to Australia. By 1953, there were an estimated one billion rabbits in Australia. The addition of the rabbits to this established ecosystem caused many problems, including a huge decrease in native plants. This left little food for native animals. Evaluate the effects of the introduction of the rabbits on the ecosystem.

Accepted Answer

The rabbits were invasive and messed up the ecosystem

Answer

The rabbits attracted hawks to manage their numbers

Answer

humans NEVER had to put a bounty on rabbits

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The importation of genetic variation leads to the formation of a new species.

Question 23

Which of these is MOST LIKELY to contribute to the long-term instability of a local ecosystem?

Accepted Answer

introduction of a non-native animal species

Answer

storms that uproot large trees in the area

Answer

flash floods that destroy the nests of local water birds

Answer

John Wick's dog getting kidnapped by local beavers

Question 24

A tiny rocky island in the South Pacific is home to a very small food chain. Coconut palms grow on the island and drop coconuts. The coconuts are eaten by coconut crabs. The coconut crabs are then eaten by seals. According to an ecological energy pyramid, the seals would receive about ___________ of the energy from the coconuts.

Accepted Answer

1%

Answer

0.1%

Answer

100%

Answer

10%

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