Unit 12: Living Systems Review

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Which of the following best describes the small bird in the food web above?

• producer

• consumer

• decomposer

Overlapping food chains in an ecosystem make up....

• food web
• food chain
• niche
• symbiosis

What is a food web?

• A diagram showing the amount of energy in an ecosystem

• A network of interconnected food chains

• A list of all the animals in an ecosystem

• A map of an ecosystem

Tags

VA.4.3.b

Which of the following is a benefit of classifying organisms?

• It helps scientists communicate more effectively

• It makes organisms harder to study

• It increases the number of species

• It decreases biodiversity

Tags

VA.4.3.d

What is a niche?

• The physical space an organism occupies

• The role an organism plays in its environment

• The food an organism eats

• The lifespan of an organism

Tags

VA.4.3.c

The part of the natural environment where an animal, plant or other organism lives…

• niche

• habitat

• community

• ecosystem

• biosphere

Which of the following best describes a community in an ecosystem?

• A group of the same species living in an area

• Different populations living together in an area

• The non-living components of an area

• A single organism

Tags

VA.4.3.a

Which of the following is a factor that can change an organism's habitat?

• Climate change

• The organism's diet

• The organism's color

• The organism's size

Tags

VA.4.3.c

What is classification?

• The process of naming organisms

• The process of grouping organisms based on similarities

• The process of finding new organisms

• The process of feeding organisms

Tags

VA.4.3.d