THE INTERACTIONS AMONG LIVING AND NONLIVING THINGS IN TROPICAL RAINFORESTS

Question 1

Apex predators like this_______ maintain the balance of prey species in the ecosystem.

Answer 1

jaguar

Question 2

_________ are considered apex predators in their natural habitat.

Answer 2

Big cats

Question 3

determine what organisms can live in an ecosystem.

Answer 3

Abiotic factors

Question 4

tend to adapt to abiotic factors for survival.

Answer 4

Biotic factors

Question 5

Ecosystems are divided into _________and ________ ecosystems.

Answer 5

terrestrial and aquatic ecosystems

Question 6

ecosystems. Those found on land such
as forests and deserts are called

Answer 6

terrestrial ecosystems.

Question 7

are those found in water.

Answer 7

aquatic ecosystems

Question 8

Aquatic ecosystems are further subdivided into two, ________ and ___________ecosystems.

Answer 8

marine and freshwater

Question 9

symbiotic relationship in which an organism of a species benefits
without affecting another organism of a different species.

Answer 9

Commensalism

Question 10

usually grow on a tree trunk.

Answer 10

1. Aerial orchids

Question 11

Resources in an ecosystem are limited.ecosystem can only accommodate a
specific number of organisms.

Answer 11

Competition

Question 12

an important interaction that is commonly observed in
an ecosystem.

Answer 12

Competition

Question 13

Another kind of symbiotic relationship

Answer 13

Mutualism

Question 14

Organisms from different species benefit from each other is classified as a

Answer 14

Positive form of symbiosis

Question 15

refers to interactions wherein the organisms either live
together, live in close proximity, or are dependent on the other.

Answer 15

Symbiosis

Question 16

An interaction where one organism of a certain species harms an organism of another
species to benefit from the relationship is called

Answer 16

Parasitism

Question 17

The organism that harms and
benefits from parasitism is called a

Answer 17

parasite.

Question 18

is a term used to describe the harmed organism

Answer 18

Host

Question 19

is an example of a parasitoid
relationship.

Answer 19

spider (Tetragnatha montana)
and a wasp (Acrodactyla quadrisculpta)

Question 20

The animal which eats or hunts for
another animal is called a

Answer 20

predator.

Question 21

The animal which is eaten is called the

Answer 21

prey.

Question 22

The animal which is eaten is called the prey. This kind
of relationship is called

Answer 22

predation.

Question 23

among the common interactions in an ecosystem.

Answer 23

Competition and predation

Question 24

the models which show these interactions.

Answer 24

Food
chains and food webs

Question 25

one-directional model of feeding relationships in an ecosystem.

Answer 25

food chain

Question 26

shows interconnected food chains.

Answer 26

food web,

Question 27

Another model to visualize energy flow is through an

Answer 27

energy pyramid.

Question 28

bottom of the pyramid are the

Answer 28

producers

Question 29

which have the highest energy because they make
their own food as they get energy directly from the sun.

Answer 29

producers

Question 30

Each level of the energy pyramid is called a

Answer 30

trophic level.

Question 31

The top level of the pyramid is occupied by the ecosystem’s top consumers or

Answer 31

top predators.

Question 32

Large ecosystems can be classified into

Answer 32

biomes.

Question 33

This classification is based on the type of
climate and the types of plants present in the ecosystems.

Answer 33

biomes.

Question 34

A biome that is a major point of
interest to many ecologists is the

Answer 34

tropical rainforest.

Question 35

mostly found
in Asia, Africa, and South America located near the equator.

Answer 35

Tropical rainforests

Question 36

Tropical rainforests are divided into four layers:

Answer 36

forest floor, understory, canopy, and
emergent layer.

Question 37

The first layer is the bottom part of the forest called the. houses a wide range of
insects and small animals such as rats and frogs.

Answer 37

forest floor.

Question 38

The next layer upward is the__________. The ___________ is the region where tree trunks,
shrubs, and vines can be found. Large animals such as leopards, wild boars, and deer
are in this layer.

Answer 38

understory

Question 39

The_________ is the third layer of a tropical rainforest. It is a thick layer composed of the
leaves of plants or trees. It is where monkeys, bats, snakes, and other insects are found, usually hanging on the tree
branches.

Answer 39

canopy

Question 40

The topmost layer is called the ___________ In this region are the peaks of the trees
where bird nests are typically found.

Answer 40

emergent layer.

Question 41

The relationship between monkeys and fruit trees is a good example of

Answer 41

mutualism.

Question 42

slowly take their host’s sunlight, rain, and nutrients.

Answer 42

Strangler figs

Question 43

happens between the jaguar and a sloth.

Answer 43

predation

Question 44

happen between organisms in the rainforest.

Answer 44

commensalism, predation, parasitism, mutualism, and
competition