What is the difference between a habitat and niche?
Habitat is where the organism lives (gets water, food, shelter, space). Niche is the role the organism plays within their environment (producer, consumer).
What does symbiosis mean?
a long term relationship
Which organism is the base of the food chain and supports the whole ecosystem?
Producers (plants, autotrophs)
What is the carrying capacity of an ecosystem?
The number of organisms that the ecosystem can support and all their needs will be met. The line on the graph where it levels out and stays straight.
In a population graph...you can expect the population of predators to show an increase when the population of prey shows a ________________.
decrease (more predators to eat, less prey available and vise versa)
This biome has a wet and dry season, warm all year and has scattered clumps of trees.
Savanna
In this symbiotic relationship, one organism is harmed (the host) and the other benefits at the detriment of the other.
Parasitism (Example: tick that feeds on blood of animals)
Name 3 biotic factors in the rainforest.
trees, parrot, snake,
This biome is the largest in the world and has long cold winters (Canada).
Taiga
Which type of relationship exists if a wolf eats a squirrel?
Predator-prey
In a balanced ecosystem, which trophic level has the highest population? The least?