Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
ecosystem
|
all the living and non living things in an area and their interactions
|
|
|
population
|
a group of organisms of one species that live in an area at the same time
|
|
|
habitat
|
a place that provides all the things an organism needs to live. These things include food, water and shelter
|
|
|
community
|
made up of all the different populations in an area
|
|
|
ecology
|
the study of the relationship among living and non living parts of an area
|
|
|
niche
|
the role of a species in an ecosystem
|
|
|
biotic factor
|
all the living organisms in an ecosystem
|
|
|
abiotic factor
|
all the non living parts in an ecosystem
|
|
|
habitats and niches
|
there are many ____ and ____ within an ecosystem
|
|
|
species
|
the size of the population of each ____ is usually small compated to thetotal population of the forest
|
|
|
community
|
all of the populations together make up a ____
|
|
|
balanced
|
all the relationships among parts of an ecosystem keep it _____
|
|
|
carrying capacity
|
the number of organisms that can live in a habitat is called the _____
|
|
|
Amount of space
Amount of food Amount of water shelter |
what are the four factors that limit the carrying capacity?
|
|
|
overcrowding
|
this may happen if a population grows larger than its carrying capacity
|
|
|
food supplies
|
When overcrowding ocurrs [that is the population grows larger than its carrying capacity] _____ can run out
|
|
|
photosynthesis
|
the process that plants and someother organisms use to make sugar
|
|
|
producer
|
an organism that uses sunlight tomakeo xgen from carbon dioxide and water is called a ____
|
|
|
photosynthesis
|
this process is called:
water + sunlight + carbon dioxide -- sugar + oxygen |
|
|
producer
|
an organism that uses sunlightto makeoxygen from carbon dioxide and water is called a ______
|
|
|
plants and some single celled organisms
|
give some examples of producers
|
|
|
Single celled organisms
|
these ______ found mainly in the oceans carry out most of the photosynthesis on the earth
|
|
|
energy
|
organisms that can not make their own _____ need to get energy from the foods that they eat
|
|
|
Consumers
|
organisms that need to eat foods [meaning they can not make their own energy] are called ______
|
|
|
producers
|
consumers depend upon _____ to get energy
|
|
|
herbivores
|
only eat producers
reminder - producers are plants - and HERBS are a type of plant |
|
|
carnivores
|
eat only consumers
reminder - the spanish word for meat is CARNE |
|
|
omnivores
|
eats producers and consumers
reminder - can do many things - OMNI |
|
|
scavengers
|
these animals feed off the bodies of dead animals; these animals are called _____
|
|
|
Bush Dogs
Cockroaches |
Name two examples of scavengers
|
|
|
decomposers
|
these organisms break down the wastes and dead organisms.
|
|
|
ecosystem
|
during the process of decomposing, the decomposers return materials into the ______
|
|
|
bacteria
fungi |
Two types of decomposers
|
