QU: What is a scavenger? *Need to make up your test? Come talk to me* **Chapter 15 Quest on Tuesday May 14 th ** OBJ: Intro to Ecology. WedNesday May 7 th 2014. Biodiversity. Variety of Life on Earth. Categories of Organisms in an Ecosystem. Producers.
Variety of Life on Earth
Organism which makes its own food (plants)
Organism which must eat another organism
Consumer which eats plants (producers)
Consumer which eats other animals
Consumer which eats plants and animals.
Consumer which breaks down the remains of another dead organism into unrecognizable materials.
Carnivore which hunts other organisms for food
Carnivore which finds and eats already dead organisms
Organic material manufactured by producers.
Feeding level in an
QU: Keeping a food web in mind, why would a more diverse ecosystem be better?
A pattern of energy transfer in an ecosystem consisting of multiple varieties of food chains.
Pathway of energy from one trophic level to another
A diagram that shows the relationships of quantities of energy that flow through an ecosystem.
Biological Species Concept: A species is a group of organisms that can breed and produce fertile offspring.
Barriers to producing offspring -
Chapter 15 and 36 Test on THURSDAY!!
A dichotomous key is a tool that allows the user to determine the identity of items in the natural world.
A tree that shows evolutionary relationships between different species.Phylogenetic Tree
QU: Describe how a phylogenetic tree differs from a dichotomous key.
**Ch 15 and 36 Quest Thursday**
*Ch Review Due Thursday*
Section 15.1 and 15.2