science - oceans

Question 1

define habitat

Answer 1

a special place in a community where plants or animals live

Question 1

define ecosystem

Answer 1

a community of living and non-living things that work together

Question 2

define producer

Answer 2

organisms that create their own food using energy from sunlight

Question 3

define consumer

Answer 3

an organism that needs to eat other organisms in order to survive

Question 4

list types of ecosystems

Answer 4

forest
tundra
dessert
jungle
ocean
freshwater
Alphine
grassland

Question 4

what is a food chain

Answer 4

A basic network showing how energy and nutrients flow linearly through an energy pyramid

Question 5

what is a food web

Answer 5

• shows how energy and nutrients move through an ecosystem
• it is all the food chains in an ecosystem

Question 6

what is an omnivore

Answer 6

An omnivore is an animal or organism that eats both plant and animal-based foods. Examples include humans, bears, and pigs

Question 7

what is a herbivore

Answer 7

A herbivore is an animal that primarily eats plants, such as grasses, leaves, and fruits. Examples include cows, deer, and rabbits

Question 8

what is a carnivore

Answer 8

A carnivore is an animal that primarily eats other animals. Examples include lions, wolves, and eagles.

Question 9

define interdependence

Answer 9

organisms that depend on each other for survival

Question 10

define biomagnification

Answer 10

toxin build up that affects the top of the food chain

Question 11

define bioaccumulation

Answer 11

toxin build up that affects the organism

Question 12

what is an adaptation

Answer 12

inherited characteristics which enable organisms to survive/reproduce more effectively

Question 13

what are the 3 adaptations

Answer 13

structural
behavioral
physiological

Question 14

define structural adaptation

Answer 14

unique features of the body that help the animal survive in its environment like wings and tails as well as scales and fur

Question 15

define physiological

Answer 15

unique process inside of the animal’s body that help it to survive in its environment like chemical and metabolism changes

Question 16

define behavioral

Answer 16

unique actions taken that help the animal to survive in its environment like how they move or how they communicate with each other

Question 17

what makes a predator - features

Answer 17

unique features like
- sharp teeth
- eyes forward facing
- claws
- venom
- usually carnivorous

Question 18

what makes prey - features

Answer 18

unique features like
- self defense
- escape mechanisms
- large numbers
- avoid detection
- warning signals
- wider eye span
- sleep very little

Question 19

what is ocaen acidification

Answer 19

When the ocean becomes more acidic due to an increase in carbon dioxide in the atmosphere. increased absorption of carbon dioxide lowers ph levels harming marine life and ecosystems - like coral and shellfish

Question 20

what is the greenhouse effect

Answer 20

The greenhouse effect is a natural process which is the gasses surrounding the earth in the atmosphere like carbon dioxide and methane trap heat from the sun to warm the earth. The earth needs to maintain a perfect temperature for living things to survive. However, due to the increase of human activities like burning fossil fuels increased amounts of gasses contribute to global warming.