Lesson 9.1

Question 1

All living things in the ecosystem need

Answer 1

energy

Question 2

the transfer of energy loses most of its usable energy as heat; thus, energy never returns to the sun, and therefore, it is impossible for energy to cycle because it dissipates into the surrounding;

Answer 2

entropy

Question 3

All matter in the ecosystem are made up of tiny particles called

Answer 3

atoms

Question 4

The animals grow and survive by getting their nutrients from

Answer 4

plants

Question 5

Plants also grow by getting nutrients from the

Answer 5

soil

Question 6

Energy does not cycle through ecosystems; instead they move in

Answer 6

another direction

Question 7

is comprised of trophic levels in which
the energy is transformed.

Answer 7

food chain

Question 8

the ultimate source of energy on planet Earth.

Answer 8

energy from sunlight

Question 9

green plants can manufacture organic compounds as sources of energy and nutrients

Answer 9

producer

Question 10

get their nutrients and energy by feeding directly or indirectly on plants.

Answer 10

consumers

Question 11

1st level consumers, are animals or insects whose primary food source is plants

Answer 11

herbivores

Question 12

(Flesh eaters) are secondary consumers which feed on plant-eating animals.

Answer 12

carnivores

Question 13

tertiary consumers, which feed on plants, herbivores, and carnivores.

Answer 13

omnivores

Question 14

such as bacteria and fungi break down dead tissue or wastes and absorb their soluble nutrients

Answer 14

Decomposers

Question 15

refers to the interconnected or interlocking relationships among various food chains in an ecosystem. Living things may feed on several members of the web

Answer 15

food web

Question 16

Grazing food chain starts from _________

Answer 16

green plants to the grazing herbivores then to the carnivores

Question 17

Detritus food chain starts from ____________ such as beetles, ants, and earthworms, and their predators.

Answer 17

decaying matter to microorganisms then to detritus-feeding organisms

Question 18

2 classifications of food chain

Answer 18

Grazing food and detritus food chain

Question 19

the most essential abiotic factor which helps most living things survive.

Answer 19

water

Question 20

the lifeblood of Earth. It is an essential part of all living

Answer 20

water

Question 21

Hot temperature in the atmosphere produces ____ moisture

Answer 21

greater

Question 22

the heat and cold equilibrium in combination with many environmental factors

Answer 22

temperature

Question 23

the main source of energy for all plants and algae

Answer 23

light

Question 24

has an important part to play in the life of many living things

Answer 24

natural light

Question 25

Humans need ____ to become healthy.

Answer 25

light

Question 26

due to the gravitational force of Earth in which the atmospheric gases are pulled toward the surface which produces air pressure.

Answer 26

Atmospheric pressure

Question 27

such as carbon, oxygen, hydrogen, and nitrogen, are essential elements of life

Answer 27

chemical components

Question 28

Organic and inorganic compounds are derived mostly from

Answer 28

plants and other food sources

Question 29

Out of the __ naturally occurring elements on Earth, ___ of which are found in living things.

Answer 29

92 25

Question 30

All organisms have their own way of adapting that helps them survive and thrive.

Answer 30

adapting

Question 31

_____ happens when a gene mutates or changes by accident.

Answer 31

Adaptation

Question 32

_______ refers to the physical characteristics of an organism that help them to survive in its ecosystem

Answer 32

Structural adaptation

Question 33

They change the color of their skin to deceive their enemies by blending with their environment. This type of behavior of an animal is known as _______

Answer 33

camouflage

Question 34

During winter, in some parts of the world, some mammals _____ because of cold weather; You sent

Answer 34

hibernate

Question 35

animals that live in deserts like squirrels and some insects go into a kind of deep sleep during summer instead. This sleep is called ______

Answer 35

estivation

Question 36

A plant adaptation that is sharp, pointed structure, and for protection

Answer 36

spine or thorn

Question 37

A plant adaptation that is long, thin, and coloring structure. For support and climbing

Answer 37

tendril

Question 38

A plant adaptation that is thin and long; attached to the stem. For support

Answer 38

prop root

Question 39

the wealth of humans

Answer 39

wide variety of plants and animals

Question 40

The sum of all the different species occupying a wide variety of ecosystems and the foundation of life on Earth is called ____

Answer 40

biodiversity

Question 41

Many species live on ____ than in the ____

Answer 41

land > sea

Question 42

It refers to different biomes

Answer 42

Ecosystem diversity

Question 43

The______ and ____ is of great importance in the field of medicine, food industry, and agriculture

Answer 43

biodiversity of flora (plants) and fauna (animals) i

Question 44

________ is a source of test organisms' samples in conducting research studies to discover things for wellness.

Answer 44

Biodiversity