ecolkigy

Question 1

food web

Answer 1

consists of all the food chains in a single ecosystem.

Question 2

food chain

Answer 2

Food webs connect many different food chains, and many different trophic levels. Food webs can support food chains that are long and complicated, or very short.

Question 3

trophic lvl

Answer 3

categories called trophic levels.

Question 4

produces

Answer 4

make their own food and do not depend on any other organism for nutrition.

Question 5

autotrophs

Answer 5

make their own food and do not depend on any other organism for nutrition. Most autotrophs use a process called

Question 6

consumer

Answer 6

eat organisms

Question 7

carnivores

Answer 7

Consumers can be carnivores (animals that eat other animals)

Question 8

omnivore

Answer 8

eat plants and algea

Question 9

primary consumer

Answer 9

eat plants and algea

Question 10

seconday consumer

Answer 10

eat herbavores or primary con sumer

Question 11

herbivours

Answer 11

eat plants algea and other producers

Question 12

tertiary consumers

Answer 12

eat the secondary consumer

Question 13

apex predator

Answer 13

has no predator other than human

Question 14

Enviroment

Answer 14

The environment is all around us. It includes all the things an organism needs to survive. Humans change the environment in many ways.

Question 15

Biosphere

Answer 15

The biosphere includes all places on Earth where life exists. We find living things in cold regions, in tropical rain forests, deserts, oceans, and in cities.

Question 16

habitat

Answer 16

The place in which an organism lives is known as its habitat. The habitat provides the organism with food, water, and shelter. The Everglades are the habitat of the bog frog. Here, it gets lots of insects to eat and water to drink.

Question 17

species

Answer 17

Organisms that share the same characteristics and features belong to the same species. Animals that belong to the same species can reproduce and create offspring. Pets like cats, dogs, and goldfish are each a different species.

Question 18

population

Answer 18

A population is made up of the same kind of organisms. They live together in the same habitat.

Question 19

community

Answer 19

Maple and oak trees are producers in a forest ecosystem. Animals like birds and deer are consumers. Small bugs live on rotten and decayed vegetation. They are decomposers.

Question 20

niche

Answer 20

A snake’s niche includes what it eats and what environment it needs to survive. Snakes depend on warm temperatures. Snakes eat mice, lizards, birds, and eggs. They are food for eagles, owls, and hawks.

Question 21

comptition

Answer 21

In the tropical rain forest biome, there is competition for sunlight. Trees need to grow tall to absorb maximum sunlight. These trees branch out at the top, forming a canopy that prevents sunlight from reaching the forest floor, making it difficult for smaller trees to compete with them.

Question 22

biotic

Answer 22

Biotic components are the living things that shape an ecosystem.

Question 23

abiotic

Answer 23

Abiotic components are the non-living factors in an environment.

Question 24

predator

Answer 24

A predator is an animal that hunts other animals for food. Lions are the most feared and ferocious predators of the grassland biomes. They hunt animals like zebras, wildebeest, impalas, and buffalo.

Question 25

prey

Answer 25

A prey is an animal that is hunted by other animals. In a grassland ecosystem, a mouse is the prey of a snake and the snake in turn, is preyed on by hawks.

Question 26

parasite

Answer 26

Mosquitoes do not cause disease themselves. They transmit infection by passing on parasites from one host to another. The female Anopheles mosquito carries the parasite Plasmodium, which causes malaria.

Question 27

host

Answer 27

A relationship in which one organism benefits at the host’s expense is called parasitism.

Question 28

symbiosis

Answer 28

relationship between two species that interact in ways that influence each other’s evolution

Question 29

parasitism

Answer 29

A relationship in which one organism benefits at the host’s expense is called parasitism.

Question 30

mutualism

Answer 30

Mutualism is a relationship between two species in which both benefit from the relationship.

Question 31

commenlism

Answer 31

Commensalism is a relationship between two organisms in which one is benefited and the other is neither benefited nor harmed. Barnacles and whales share a commensalistic relationship that benefits the barnacles.