The answer would be C.
Plants that live in the canopy get way more sunlight than the ones that are on the forest floor. They have different adaptions that i can tell u about in the comments if it’ll help with what ur studying:)
Pretty sure he used female gametes
The number of producers is more than consumers and top carnivores in ecosystem. for example:- in the food chain of grass--goat--man,atleast 90% of energy is pasted to other level and 10% will be stored at that level it self.
grass goat man
50/100 40/80 30/60.
as we human beings depend on plants and animals for our food for our whole life we need atleast 100 numbers of small plants for one week.
The answer is C i loooked it up
Sunlight
solar energy
water