Ecosystems
What is an abiotic factor in a rainforest?
Answers will vary
What is the difference between population and community?
population is all organisms of the same species that live in the same area while communities are made up of all different types of populations living in the same place at the same time.
What are the 3 main types of symbiosis?
mutualism, commensalism and parasitism
Where do plants get their energy?
soil, sun, or atmosphere
What type of symbiotic relationship is described below:
A tick feeds on the dog's blood, gaining nutrition, while the dog may suffer from skin irritation or diseases
parasitism
What is an ecosystem?
all living and non living things in an area
A community combined with all the abiotic factors in the same area form a what?
What relationship is explained in the following example: Bees consume nectar while transferring pollen between flowers, allowing the plant to reproduce.
Mutualism
What can change form but cannot be created or destroyed?
matter
What is overpopulation and what happens because of it?
occurs when a population becomes so large that is causes damage to the environment.
How do abiotic factors affect biotic factors?
answers will vary
What is population density?
the size of the population compared to the amount of space available.
What is competition? Provide an example.
describes the demand for resources in short supply in a community
True or false: Energy cannot be converted, only recycled
false, energy cannot be recycled but it can be converted
What is the difference between producers and consumers?
producers create their own food whereas consumers do not
What 4 things do all habitats need in order for life to exist?
water, food, shelter, and abiotic and biotic factors needed for survival
Name two disadvantages for high population density.
disease, death, lack of resources
How does the predator and prey relationship affect population?
Organisms need a constant supply of what to maintain life?
Energy
How are decomposers beneficial to the ecosystem?
they break down organisms that can be used by living organisms. without decomposers matter could not be recycled.
answers will vary but must state that habitats are created within an ecosystem
Explain how a population may change and why.
answers may vary
What is a niche?
the way species interact with abiotic and biotic factors to obtain food, find shelter, and fulfill needs
Where does most of the energy used by organisms on earth come from?
the sun
What is the difference between a food web and food chain?
food chain shows a series of feeding relationships that follow the path of energy through an ecosystem.
food webs show several interacting food chains within an ecosystem