Bio test Flashcards
Biology
Different populations that live together in the same place are called a
Community
Put the following in order that best illustrates the cycling of matter and energy.
A) decomposers B)Sun
C)Plants
D) Large animals
E)Small animals
F) Insects
BCFEDA
True or False, biodiversity will help a species survive a variety of environmental conditions?
True
Symbiotic Relationships that both benefit
Mutualism
Symbiotic Relationships that One is benefit while the other remains neutral?
Commensalism
Symbiotic Relationships that One is harmed and other benefits
Parasitism
2 Examples of mutualism
Bee and flower, clown fish and anemone
Two examples of parasitism
Fleas and dogs, tapeworms and mammals
example of commensalism
Barnacle and whale
How much Energy is lost between each trophic level
Approximately 90 percent
Succession that occurs after a volcanic eruption or glacier retreat that exposes land?
Primary
A stable commmunity with a mature forest is known as a _______ community
Climax
Type of succession that occurs after a natural disaster such as a flood, tsunami or a fire as long as soil is still present?
Secondary
Moss, lichen and other organisms that begin to grow on a bare rock to start a new community are called _____ species
Pioneer
How do humans impact the carbon cycle by increasing carbon dioxide into the atmosphere.
Burning fossil fuels
Name the only way carbon dioxide is taken in and used by a living organism.
Photosynthesis
What would happen if insecticide was sprayed on the area of an organism with the greatest amount of energy in a food web?
Would decrease some smaller organisms populations, disrupting the food web.
What is a niche?
Niche is how an animal interacts with its surroundings
What happens if two organisms occupy the same niche?
One organism will outcompete the other.
Biotic
Living organism ex: fish, lions, humans
Abiotic :
Non living ex, rocks, water.
Carnivores
Eat meat
Herbivores
Eats plants
Omnivores
Eats both plants and animals
Competition exclusion principle
Two species cant occupy the exact same niche; one will win
Pyramid with it going from big to skall
Shows how much energy/ biomass at each level of food chain.
Put the following in order smallest to largest:
Prim.Consumer. tertiary consumer, primary producer, secondary consumer.
P.P, P.C, S.C, T.C
A group of individuals that belong to the same species that live in one area
Community
Examples of a population in an African savanna
Herd of elephants; herd of lions
