A group of organisms that are all the same species living in the same area at the same time.

Example of abiotic factor

• Phytoplankton

• Wind

• Grass

• Bird

Tags

NGSS.MS-LS2-3

Put these in order from smallest to largest

• Population

• Organism

• Community

• Ecosystem

• Biosphere

Put the trophic levels correctly on the pyramid

a

b

c

d

Producer

Tertiary consumer

Primary consumer

Secondary consumer

Tags

NGSS.MS-LS2-3

In cellular respiration, animals and plants take in ​ (a)   and ​ ​ (b)   to release ​ (c)   , ​ (d)   and ​ (e)   .

• sugar
• oxygen
• energy
• carbon dioxide
• water
• sunlight
• carbon monoxide

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Match the following

• An animal that only eats meat.

• Predator

• An animal that eats both meat and plants

• Scavenger

• eats animals killed by other animals

• carnivore

• Animal that hunts other animals for food

• omnivore

• An animal that only eats plants.

• herbivore

Which of the following is a characteristic of life?

• organization

• evolution

• metabolism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

NGSS.MS-LS1-6

NGSS.MS-LS4-2

Organize these options into the right categories

Groups:

(a) Producer

,

(b) Consumer

• Phytoplankton

• Grass

• Kelp

• Sharks

• Sea urchin

• Otters

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

a species which often forms the major structural portion of the habitat is a...

• foundation species

• keystone species

• invasive species

a species whose presence is key to maintaining biodiversity in an ecosystem and to upholding an ecological community’s structure is a...

• foundation species

• keystone species

• invasive species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5