Name: __________________________ Topic:4.2 Community Interactions

Essential Question:

Vocab:

Questions/Main Ideas: Notes:

_______________ -the range of _______________ and ___________________ conditions in which a species lives and the way the species obtains what it needs to survive and reproduce

a. Aka it’s ________ in the ecosystemb. 3 parts to a niche:

i. ________________________-any necessity of lifeEn 2: Give an example of a resource:

ii. __________________-how it interacts with abiotic factors

En 3: Give an example of an abiotic factor an organism interacts with:

iii. ___________________________-how it interacts with biotic factors

En 4: Give an example of a biotic factor an organism interacts with:

-________________________________-species whose population dramatically affects the structure of a communityEn 6: Explain how otters are a keystone species

_________________________-the ability to survive and reproduce under a range of ________________________________

a. When an environmental condition extends beyond an organisms optimum range, it experiences ______________

b. This means more energy is used for __________________, and less for __________________________________

c. The species’ tolerance determines where its ___________ is

Questions/Main Ideas: Notes:______________________

Species have to divide ____________________ ______________________helps determine

o the ___________________________________ of species in a community

o the __________________ each species occupies ___________________-competition among members of the

same species __________________-competition among members of different

species Non native species can become __________________________

Type of relationship:Species 1 Species 2:

MutualismParasitism:Commensalism:

SummaryIn your own words and in complete sentences, write a 3 – 4 sentence summary paragraph. Your summary should cover the main concepts of the notes, be accurate, and have adequate details.