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i need this for my biology project ! please help !
thank you !

I’m doing a research project for biology and i can’t find the niche of a dicot

All of the populations of different species that occupy and are adapted to a given area are referred to by which term?
a. biosphere
b. community
c. ecosystem
d. niche
B, ?

What I don’t understand about niche is when you determine if two certain species are sharing the same niche, does that mean that they are in a niche overlap? Or does it mean that both of the species just eat the same food.

10 points please help
Choose terms from the following list and fill in the blanks: chemical bond, solar,
solar electrical, potential, heat, competition, total energy, net primary production, sink,
source, balance, niche. On your assignment, write a list of the letters and your answer for
each blank. (5 pts.)
Photosynthesis is the process of converting __(a)_____ energy into ___(b)___energy.
The amount of primary production or photosynthesis minus the amount of respiration in
an ecosystem describes ____(c)_______. If this value is positive, the ecosystem is a net
___(d)_____ for carbon. If this value is negative, the ecosystem is a net ___(e)_____ for
carbon.

Although three different butterfly species all inhabit the same flower garden in an area, competition between the butterflies rarely occurs. The most likely explanation for this lack of competition is that these butterflies
A. have a limited supply of food
B. are able to interbreed
C. occupy different niches
D. share food with each other