The plant shown has adapted to it's environment using which two of the following possibilities?

growing spines which deter thirsty animals from eating it

having a swollen stem, which stores water

growing thin, strong needles that prevent water loss

having a tall, narrow shape with sloping branches so that precipitation falls off it.

The plant shown has adapted to it's environment using which two of the following possibilities?

growing thin, strong needles that prevent water loss

having a tall, narrow shape with sloping branches so that precipitation falls off it.

growing spines which deter thirsty animals from eating it

having swollen branches, which stores water

One correct way to estimate the number of a particular species from a quadrat study is:

(area of land/area of quadrat) * (ave. number of particular species in one quadrat)

(area of quadrat/area of land) * (ave. number of particular species in one quadrat)

(ave. number of particular species in one quadrat/area of land) * (area of quadrat)

(area of quadrat/ave.umber of particular species in one quadrat/) * (area of land)

One way to estimate the total number of a particular species using a quadrat study is:

(estimated area of land/total area of all quadrats) * count in all quadrats

(total area of all quadrats/total count in all quadrats) * estimated area of land

(total area of all quadrats/estimated area of land) * total count in all quadrats

(estimated area of land area of all quadrats/total count in all quadrats) * total area of all quadrats

The directions of the arrows in a food web point away from the

primary consumer to top predator

top predator to primary consumer

What are "decomposers"

organisms that get their energy by breaking down dead bodies and organic waste

organisms that use energy to break down dead bodies and organic waste

When fungus breaks down bread, it produces "hyphae". Hyphae are:

thin thread-like "roots' that grow throughout the bread

the green mouldy appearance seen on the bread

live maggots that roam through the bread

Enzymes are necessary in digestion as they

break down larger molecules into smaller molecules

produce larger molecules from smaller molecules

move food through the digestive system

Select all that apply: Fungi DIFFER in the way they feed compared to humans as they:

digest food outside it's body and humans do not

grow through it's food, whereas humans do not

feed on starch and protein and humans do not.

produce enzymes to help with digestion, and humans do not

Select all that apply: Decomposers

are organisms that get their food from dead organisms and organic waste

help to recycle substances from dead organisms and waste, so that other living organisms can use them

include maggots, fungi, worms, fruit flies

are organic waste material and dead organisms

Under what circumstances do populations increase?

When the number of births is greater than the number of deaths

When the number of births is less than the number of deaths

When the number of births is equal to the number of deaths

Under what circumstances do populations decrease?

When the number of births is less than the number of deaths

When the number of births is equal to the number of deaths

When the number of births is greater than the number of deaths

all the organisms of one species living in the same area at the same time

all the people living in the same area at the same time

all the organisms of one species living in the same area over time

all the organisms of all species living in the same area at the same time

Select all that apply: The factors that could be responsible for animal population growth are:

an increase in predator numbers

Select all that apply: The factors that could be responsible for animal population decline are:

an increase in predator numbers

Select all that apply: The factors that could be responsible for plant population size are:

the amount of grazing herbivores

the number of decomposers available

the addition of harmful substances to the environment

what occurs when the number of decomposers were to decrease

harmful substances that exist in our environment

An "algal bloom" on a lake surface is caused by:

the addition of extra fertilizer to the lake, causing plants and algae to grow

the addition of extra plants and algae to the lake

a lack of oxygen in the lake water

dead and decaying fish and other organic matter in the lake

Select all that apply: Pollution affects food webs by

removing one (or more) links in a food web

changing the habitat of the ecosystem, therefore affecting food chains

possibly adding a poison into the food web

always increasing the number of producers, and decreasing the number of consumers

always increasing the number of consumers, therefore decreasing the number of producers

Select all that apply: "Algal blooms" affect a lake ecosystem by:

increasing the number of decomposers, which use up most of the dissolved oxygen in the water

preventing sunlight getting deep into the lake

producing toxins that could poison fish and other aquatic creatures

directly preventing oxygen reaching underwater plants

adding extra fertilizer to the lake

Cambridge Checkpoint Science 9: Living Things In Their Environment

Quiz

•

Biology, Science

•

7th - 9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-3, MS-LS2-1, MS-LS2-4

+9

Standards-aligned

Edgar Fong

Used 294+ times

FREE Resource

46 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A food chain is a diagram that shows:

the realistic feeding relationships between all organisms in a community

how a particular food type is produced

waterproof

aquatic

waterlogged

amphibious

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Cambridge Checkpoint Science 9: Living Things In Their Environment

46 questions

A food chain is a diagram that shows:

A food web is a diagram that shows:

The place where a plant or animal lives is known as a:

The plants and animals that co-exist together in a particular area, collectively are known as a:

The plants and animals together with the particular area they exist in, collectively is known as:

The particular place or role that an organism has in an ecosystem is known as :

Organisms that are adapted to live in water are known as:

The plant shown has adapted to it's environment using which two of the following possibilities?

The plant shown has adapted to it's environment using which two of the following possibilities?

Plants which have developed deep/spreading roots, which can draw water from a wide area, are adapted to survive in:

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