Final 2024 1.1,1.2,1.3,1.4, 2.1,sem 1,2.2,3.1 all

Front

What is a food web?

Back

A food web is a collection of food chains that shows the multiple pathways through which energy and nutrients flow in an ecosystem.

Front

Which animal is typically at the top of a food web?

Back

The top of a food web is usually occupied by apex predators, such as alligators, which have no natural predators.

Front

What is the role of primary producers in an ecosystem?

Back

Primary producers, like grass, convert sunlight into energy through photosynthesis and form the base of the food chain.

Front

How many oxygen atoms are in the chemical formula Al₂(SO₄)₃?

Back

There are 12 oxygen atoms in Al₂(SO₄)₃.

Front

What are the two main products of the light reactions in photosynthesis?

Back

The two main products are NADPH and ATP.

Front

What is the difference between a primary consumer and a secondary consumer?

Back

Primary consumers eat primary producers (plants), while secondary consumers eat primary consumers.

Front

What is biomass in an ecological context?

Back

Biomass refers to the total mass of living matter in a given area or volume, often used to measure energy in an ecosystem.

Front

What is the significance of the biomass pyramid?

Back

The biomass pyramid illustrates the distribution of biomass among trophic levels in an ecosystem, showing that energy decreases as you move up the pyramid.

Front

Define apex predator.

Back

An apex predator is a predator at the top of a food chain, with no natural predators of its own.

Front

What is the function of ATP in cellular processes?

Back

ATP (adenosine triphosphate) serves as the primary energy carrier in cells, providing energy for various biological processes.