Define Population
a group of organisms of the same species living in the same area
Name a producer in an ocean ecosystem
Plants found in sea, Algae
All living things need to obtain and use ________.
Energy
Name 3 ecosystems
Ocean, City, Forest, Desert, Tundra, Marsh, etc
Give an example of competition in an ecosystem.
Sharks fighting over food, etc.
Define Community
2 more more populations of different species that live and interact in an area
List an example of a Decomposer
Mushrooms/Fungi, Bacteria, Worms
How does the food chain start
The Sun
List 3 examples of an aquatic ecosystem.
Ocean, Pond, Marsh, Lake, rivers, etc.
What is an example of a limiting factor?
Food, Water, Space/Shelter
Define Ecosystem
made up of a community of organisms and its abiotic environment
Name the 3 categories of organisms that obtain energy
producers, consumers, decomposers
What does a food chain tell us?
How energy is transferred from one organism to another
Name a way something biotic could use something that is abiotic.
Deer drinking water, organism using rocks for shelter
Name the term where both organisms benefit from each other.
Mutualism
Define Biosphere
Parts of earth where life exists
What is a Scavenger
animals that feed on the bodies of dead organisms
As energy is transferred from one organism to the next, what happens to the level of energy that is passed?
The energy levels decrease
What could happen in an ecosystem if a population of organisms died out?
It could impact the rest of the community, potential death of organisms
Name the 3 types of symbiotic relationships.
Mutualism, Commensalism, Parasitism
Define Ecology
The study of the interactions between organisms and their environment
What are the 4 types of consumers we studied in this unit?
Herbivore, Carnivore, Omnivore, Scavenger
Describe a food web.
A food web shows the many ways that organisms can obtain energy
Give an example of a producer, consumer, and decomposer that we could find at Biddeford Middle School.
Grass/Flowers, Birds/Humans, Worms/Mushrooms
In Parasitism, the two organisms that are in a symbiotic relationship are referred to as what?
Parasite and Host