What is a niche?
physical and biological conditions in which animals can survive and reproduce. (its role in the ecosystem)
Spiders catching and eating fig wasps for food is an example of which kind of relationship?
Predation
Why do habitats have a larger population of producers than top-level consumers?
There is a lot of energy at the bottom level of the pyramid. as you move up energy decreases by 90%.
The ultimate source for most of our planet's energy
the Sun
The study of organisms and their environment is called...
Ecology
What type of habitat can support a whale?
Ocean
Birds building a nest in the tops of a tree do not harm the tree but get a place to lay their eggs. What type of relationship is this?
Commensalism
Give TWO examples of a biotic factor.
any living factor
A ________ _______ shows multiple overlapping food chains and gives us a better understanding of the transfer of energy in an ecosystem.
Food web
What trophic level has the most energy?
Producers
What is the "law of competitive exclusion"?
No two species will occupy the same niche and compete for the same resource in a habitat.
Antelope and Wildebeest will graze near each other and send out warnings when each spots a predator. What type of relationship is this between the Antelope and the Wildebeest?
Mutualism
Give TWO examples of an abiotic factor.
any nonliving factor
Create a Food Chain including 4 organisms
-must start with a producer
-arrows must point in the correct direction
Give an example of something that could cause secondary succession.
Any type of natural disaster or disturbance to a previous ecosystem.
What is the difference between Intra and Interspecific competition? Define each.
Intraspecific= competition between the same species
Interspecific= competition between different species
Blow flies will lay their eggs in the ear canal of horses and cause damage to the horse. What type of relationship is this?
Parasitism
The removal of a __________ __________ will have harmful effect on the entire ecosystem. An example would be the wolves of Yellowstone or the Fig Tree of Kenya.
Keystone Species
This process is utilized by producers at the bottom of the ocean in order to produce energy with no sunlight.
Chemosynthesis
The third consumer in a food web is called the __________ ___________
Tertiary Consumer
What makes a species a keystone species?
Species that have strong and/or wide-reaching effects on a community
Humans have bacteria (microbiomes) in our guts that help us digest food.
Mutualism +,+
Organisms will fulfill different niches in order to reduce _______.
Competetion
Create a 5 level Trophic Pyramid starting with 45,670 kCal
Each Level: 45,670 kCal, 4,567 kCal, 456.7 kCal, 45.67 kCal, and 4.567 kCal
If a new ecosystem is formed from very little previous life this is called?
Primary succession