Interactions of Living Things-Questions
What is Mattter?
Anything that has mass and takes up space
Compare a food chain to a food web
Food chain models how energy flows in an ecosystem through feeding relationships, but food chain is a model that shows severeal connected food chains
What does an energy pyramid show?
How energy is transferred in a food chain and how the amount of usable food energy decreses
How does the oxygen cycle illistrate how organisms can be mutually dependent on eachother for survival?
animals breathin oxygen and release carbon dioxide and the plants take in the caorbon dioxide and release oxygen
What is an example of a symbolic relationship?
ants and fungi-multualistic mistletoe and tree host-parasitism cocklbur sticking onto animals and humans-commenalism
Name 2 abiotic limiting facters and 2 biotic limiting facters
biotic-food , compitition abiotic-water temperatrure
What do animals release as awaste product?
carbon dioxide
Which contains more diverisity: a population or community?
community many different species live in one place
Why must producers be present in an enviroment?
convert water carbon dioxide and sunlight into organic molecules that are the foundation of life on earth
What type of water do you need to survive?
fresh
What is different between a habitat and a niche?
habitat is the living place of the organism niche iis how the organism protects itself survives obtains food and shelter and stays away from danger
What are 4 types of consumers?
herbivores, carnivores, omnivores, detritivores
Whey is the carbon cycle considered a cycle?
is part of the biogeochemical cycle
Why is a populations biotic potincial rarely if ever met?
most species don't live in ideal enviromental conditions
What does popuilation density describe?
number of organisms per unit of area
What do plants release as a wast product?
oxygen
What makes up the atmosphere?
oxygen and nitrogen and water vapor carbon dioxide
How may interactions among organisms differ in population and community?
population-the same species interacts with eachother community-many different species interact with eachother
Where is carbon in living organisms?
protiesn lipids carbohydrates nuclaeic acids
Where does your water supply come from?
rain
Why does a succelsful ecosystem need all types of consumers?
regulates the population growth and gives energy to other organisms
What forms does water take in the water cycle?
solid liquid gas
Why is overpopulation harmful to organisms?
thier would not be enough of resourcdes for all of r=tjem so they would die off
Why do most living things need oxygen?
very few living things can survive in an ecosystem without oxygen
What are some of the living and nonliving things in our ecosystem?
water, leaves deer sun
How does energy move from a producer to othe organisms?
when it is eaten
Could 5 organisms of the same speceis make up a population?
yes because it is a group of organisms of the same speiceis rhat are living together at the same time
Can a person or group of hunters be considered a limiting facter for that populataion?
yes because they killing the members of that specieas
