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Science Review

Published on Nov 19, 2015

Science review

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PRESENTATION OUTLINE

1.

BIOSPHERE

  • The regions of the surface, atmosphere, and hydrosphere of the earth occupied by living organisms
  • 2 facts:
  • Biosphere stretches from the deep ocean to the highest mountain tops
  • Biosphere has evolved for 3.5 billion years
Photo by hjl
2.

PARASITISM

  • Relationship where one species benefits at the expense of the other species
  • 2 facts:
  • The host is not always killed
  • Leeches are a parasite that are used to help humans, for example to treat circulation disorders
Photo by photogirl7.1
3.

ECOLOGY

  • The branch of biology that deals with the relationship of organisms to one another and to their physical surroundings
  • 2 facts:
  • Hippocrates and Aristotle were among the first recorded scientists to write down their observations on what would be considered ecology
  • The term "Ecology" was first coined by Ernst Haeckel in 1866
Photo by gwendolen
4.

DENSITY INDEPENDENT

  • Abiotic Factors that regulate the population of the environment (natural disasters, wild fires, etc.,)
  • 2 ex.
  • When temperatures drop drastically mosquito population also drops drastically
  • Disease spreading can decrease population
5.

NICHE

  • The specific job an organism has in its community
  • 2 facts:
  • No two species can occupy exactly the same niche
  • A niche is the smallest unit of habitat that is occupied by a plant or animal
Photo by Ron,Ron,Ron
6.

HERBIVORE

  • An animal that feeds on plants
  • 2 facts:
  • Herbivores are an important link in the food chain as they consume plants in order to receive carbs produced by a plant from photosynthesis
  • They are at the second level of the food chain
Photo by Steve Wilson - over 5 million views Thanks !!
7.

PRODUCER

  • Organism that organically produces there own food for nutrition
  • 2 facts:
  • Producers are any kind of green plant
  • Producers use glucose to make many things
Photo by @Doug88888
8.

DECOMPOSER

  • An organism that breaks down organic material
  • 2 facts:
  • They are the last stop on the food chain
  • Many times eat dead things on the ground to get nutrients
Photo by Michael Hodge
9.

ECOSYSTEM

  • A biological community of interacting organisms and their physical environment
  • 2 facts:
  • Animals and plants within a ecosystem depend on each other for their survival
  • Plants cant migrate when conditions change but animals can
Photo by Zach Dischner
10.

FOOD CHAIN

  • A hierarchical series of organisms each dependent on the next as a source of food
  • 2 facts:
  • Often plants or producers will begin a food chain
  • Most food chains do not go beyond 5 links

Caelyn Sauerer