the different types of species within an ecosystem.

a large number of the same species in an ecosystem

an abundant amount of the same primary consumers

the ability to have an abundant source from the same species

Photosynthesis is important because...

it makes food for the food webs

What is biomagnification or bioaccumilation?

Biomagnification is the increasing concentration of toxins through a food chain.

Biomagnification is the process of reducing the concentration of a substance in organisms as it moves up the food chain.

Biomagnification is only applicable to aquatic ecosystems.

Biomagnification occurs when substances decrease in concentration as they move up the food chain.

Which is an example of intraspecific competition?

Two male lions fighting over a territory

Two female lions hunting together

A lion and a cheetah competing for food

Which of the following best describes the process of biomagnification?

The increase of toxin levels in organisms at higher trophic levels

The decrease of toxin levels in organisms at higher trophic levels

The increase of nutrient levels as energy moves up the food chain

The process by which primary consumers gain more energy than producers

Why are producers so important in the ecosystem?

Producers are the only organisms that can convert sunlight into energy organisms can use.

Producers are responsible for maintaining the physical environment of the ecosystem.

Producers are the top predators in the food chain.

Producers have no impact on the ecosystem.

Symbiotic association between a fungus and plant roots

What is the primary role of decomposers in an ecosystem?

They break down dead organisms and waste, recycling nutrients back into the ecosystem.

They convert sunlight into usable energy.

They consume primary consumers.

They are the main predators in an ecosystem.

How does deforestation affect biodiversity in an ecosystem?

It decreases biodiversity by destroying habitats.

It increases biodiversity by creating new habitats.

It has no significant effect on biodiversity.

It promotes biodiversity by reducing competition for sunlight.

Since 78% of the atmosphere is nitrogen, why do plants rely on nitrogen fixation?

Plants cannot directly use the nitrogen gas in the atmosphere.

Plants prefer nitrogen gas over fixed nitrogen

Nitrogen fixation is a process that harms plants

Plants absorb nitrogen gas through their roots from the soil

Which example below best describes a commensalism relationship?

A bird building a nest in a tree

A fish cleaning parasites off a shark

Which example below best describes a parasitic symbiotic relationship?

A tapeworm living in the intestines of a human and absorbing nutrients from the host.

A bee pollinating flowers and receiving nectar in return

A clownfish living among the tentacles of a sea anemone for protection

A lion hunting and consuming a zebra for food

The graph shows a logistic and exponential growth curve. What is a factor that would keep deer in the forest from growing exponential? check all that apply..

successful mating deer mating seasons

The graph shows a boom/bust cycle between predator and prey. What consistently occurs after each time the populations of snowshoe hare increases dramatically?

The lynx population increases, as they have more food

The amount of food for the lynx decreases

The hares will rise up and attack the lynx population.

HIPPO was the acronym for how humans decrease biodiversity in order of what makes the biggest impact on the environment..... So, the worst thing humans do to decrease biodiversity?

over exploitation (over hunting or over harvesting)

Why is it not a good idea to introduce a non-native species to an area?

all of them are reasons to NOT introduce a species..

The non-native species could out compete a native one for food.

The species may eat a native one

The new species may not be able to survive the new habitat-and they die.

The new species could over-grow and become a pest.

The most biodiverse biome in the biosphere is the tropical rainforest.. What human activity has the most negative impact on the rainforest?

Removing animals to put them in zoos.

Harvesting plants that give us cancer treatments

Driving cars that are causing global warming.

What is the number one way humans are destroying the natural prairie biome?

using prairie for farming (prairie has the best soil)

Eutrophication is when a lake has a large over-growth of aquatic producers.. such as plants and algae. What is the most common reason this occurs?

Excess of nutrients from crop fertilizers entering the lake from runoff.

Too much sunlight reaching the lake due to people cutting trees down nearby that would have naturally shaded the lake.

Decrease in water temperature causes an unusual amount of producer growth.

Absence of primary consumers to eat the producers in the lake

What is global warming?

Global warming is the long-term increase in Earth's average surface temperature due to human activities.

Global warming is a result of alien activity on Earth

Global warming is a myth created by scientists

Global warming is caused by excessive cellular respiration in farm animals

What is the ozone (O3) layer?

The ozone layer is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.

The ozone layer is a layer of ice crystals in the Earth's atmosphere.

The ozone layer is a layer of carbon dioxide in the Earth's stratosphere.

The ozone layer is a region of Earth's atmosphere that blocks all sunlight.

Which is a way that you could reduce your carbon footprint, or decrease amount of carbon dioxide entering the atmosphere?

Using public transportation, biking, or walking

Ecology for sophomore biology 2024 Friday

Authored by Lisa Breckenridge

Biology

12th Grade

NGSS covered

Used 8+ times

Ecology for sophomore biology 2024 Friday

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50 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one is NOT an example of a decomposer?

mushroom

leaves

mold

bacteria

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Examples of a producer

frog

algae

worm

mouse

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Example of a decomposer

fungus

mouse

plants

frogs

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the energy pyramid here, which organisms have the most energy available?

Producers

Carnivores

Herbivores

Top Predator

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In the energy pyramid below, which organism has the least amount of energy available?

trophic level 1

trophic level 2

trophic level 3

trophic level 4

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

10 Kcal

1 Kcal

100 Kcal

1000 Kcal

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

coyote

insect

lizard

shrub

Tags

NGSS.MS-LS2-3

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Ecology for sophomore biology 2024 Friday

Which one is NOT an example of a decomposer?

Examples of a producer

Example of a decomposer

In the energy pyramid here, which organisms have the most energy available?

In the energy pyramid below, which organism has the least amount of energy available?

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

Which organism recieves the least amount of energy from the producer?

The largest group of organisms found in a food web would be:

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

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