Branching Keys
(A)biotic Factors
Photosynthesis
Sustaining Life
100

What is the acronym for defining living things? 

MRS GREN

100

What is an abiotic factor? 

A non-living factor that impacts a habitat


100

What are the products of photosynthesis? 

Glucose and Oxygen

100

Using the photosynthesis word equation, what resource do we get from plants? 

Oxygen

200

What do the two Rs in MRS GREN stand for? 

Reproduction and respiration

200

What is a biotic factor? 

A living factor that impacts a habitat 

200

What are the raw materials of photosynthesis? 

Carbon Dioxide + Water

200

List two other uses of plants

Food, materials, medicine

300

What is the definition for a vertebrate and invertebrate? 

Vertebrate - An organism with a spine

Invertebrate - An organism without a spine

300

Give an example of biotic factors

Predators, competition, disease, 

300

Where does photosynthesis occur?

Chloroplasts

300

What does can we go outside represent? 

It helps us to remember the word equation for photsynthesis

400

List all 7 life processes

Movement, respiration, sensitivity, growth, reproduction, excretion, nutrition

400

Give 3 examples of abiotic factors

Light intensity, soil moisture and pH level

400

What is the name of the green pigment found in chloroplasts? 

Chlorophyll

400

There's 2 more things plants need for photsynthesis not mentioned in @Can we go outside' - Name them

Light, chlorophyll

500

Give 2 questions which you could use if you were trying to identify a jellyfish on a branching key

Is it an aquatic animal? 

Is it a vertebrate?

Does it have legs? 


500

What is the definition of ecosystem? 

Hint ____ + ____ = Ecosystem

An ecosystem is a biological unit made of habitat and community

500

Why do we test leaves for starch? 

To see if photosynthesis has occured - glucose is stored as starch

500

What do plants use glucose for? 

Plant growth

Respiration

Making proteins and oils

Cellulose - found in cell wall

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