unit 1it

What do all organisms need

Water, nutrients, space to live, air

What does cellular activity does water help with

DNA replication, cell Division, protein synthesis, breaking down food, transport of nutrients & wastes

What are the heterotrophs

Consumers:

• carnivores (eat animals)

• Herbivores (eat plants)

• Omnivores (eat both)

What do plants and animals need air? (Carbon dioxide and oxygen)

Plants need carbon oxygen for photosynthesis

Animals and plants need oxygen for cellular respiration

What does the abbreviation CHERTGRC

Cool Hippos Eat Really Tasty Green Red Cherries

What does living things do with cells

They are made of them

What is homeostasis & provide an example

It maintains the internal balance in the body in response to environmental changes

Ex. Sweat in hot summer to cool off

What does energy have to do with cells

They obtain energy and use it

What does ATP stand for

Adenosine triphosphate

What does ATP do?

Powers daily function and repair/replaced damaged cells

What is stimuli

It is any activity that brings about a response

Example of internal stimuli

Hunger (stimulus) → you find something to eat (action)

External stimulus

Light (stimulus) → you stay awake (response)

Natural selection

The process where traits best suited the environment will survive to be passed onto off spring