Science biology term 2 2023

Question 1

What does MRS GREN stand for?

Answer 1

Movement
Reproduction
Sensitivity
Growth
Respiration
Excretion
Nutrition

Question 2

What are the 8 levels of classification?

Answer 2

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 3

What are the levels of classification used for?

Answer 3

They are used to classify organisms into different groups

Question 4

What are the 5 kingdoms?

Answer 4

Animalia
Monera
Plantae
Fungi
Protists

Question 5

What is the difference between a food chain and a food web?

Answer 5

A food web illustrates all (or many of) the food chains in an ecosystem and food chains show what eats what. the arrows show the direction that energy moves throughout the ecosystem.

Question 6

What is the definition of biomass?

Answer 6

The total Quantity or weight of organisms in a given area or volume?

Question 7

What are trophic levels?

Answer 7

producer
primary consumer
secondary consumer
tertiary consumer
quaternary consumer

Question 8

What is an autotrophs?

Answer 8

An autotrophs gain nutrients from itself

Question 9

What is a decomposer?

Answer 9

A decomposer breaks down the cells, flesh and bones of its prey and it releases the nutrients back into the soil.