Flash Cards

Environmental Science

Question Answer
A is a place where an organism lives and that provides the things that an organism needs. Habitat
What are the living parts of an ecosystem. Biotic factors
What are the nonliving parts of an ecosystem. Abiotic factors
What are the five different abiotic factors found in most ecosystems? soil
water
Temperature
oxygen
What is the difference between a population and a community? Population is the amount of species still left. Community is all the species in the area
The study of how living things interact with each other and the environment is called…. Ecology
The numWhat are the four ways that populations can increase or decrease? Briefly explain each one.

ber of individuals in a specific area is called?

population density
What is the difference between direct observations and indirect observations? Direct observations are the most obvious ways to determine a population like counting 1 by 1. Indirect observation are easier way like predicting
What are the four ways that populations can increase or decrease? Briefly explain each one. ____Births The more organisms born will increase because its adding onto the population._____________________________________________
Death_____The more organisms dieing is the more leaving.____________________________________________
_______Immigration
What is a limiting factor? Briefly describe the three limiting factors. It is something that limits or decreases a population. LImiting factors are space because you might not have alot of room to fit everyone, Food, because you might not have alot of room to fit everyone, Weather, because it might kill or hurt a lot of anima
An organism that can create its own food is called a? Producer
An organism that obtains its energy by feeding on other organisms is called a Consumer
Name and describe the four types of consumers. Carnivore eat meat,Herbivore eat plants
Omnivores eats both meat and plants
Scavengers eats dead organisms
A _____________ _____________ is a series of events in which one organism eats another and obtains energy. Food chain
A ____________ ____________ consists of overlapping food chains in an ecosystem. Food web
What is an ecosystem? Is all the living and nonliving things that interact in a particular area
A _____________ is a group of ecosystems with similar climate and organisms. Biome
__________________ and _____________ are the two climatic conditions that determine an areas biome.

Temperature and rainfall
Describe the following biomes: Desert
A desert is an area that receives less than 25 centimeters of rain each

year. Deserts have large shifts in temperature during the day. Desert

organisms are adapted to the lack of rain and to the extreme temperatures.

Grassland
A desert i





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