Why is it more difficult for top carnivores to obtain sufficient energy resources than it is for animals lower on the food chain?

It's more difficult for top carnivores to obtain sufficient energy resources than it is for animals lower on the food chain because of what's known as the trophic pyramid.

Hope this helps!

Janicey

if triangle abc is congruent to triangle def, their interior angles are congruent, because congruent parts of congruent triangles are congruent (cpctc).

that means ∠d is congruent to ∠a; ∠d is equal to 8x - 2.

interior angles of all triangles add to equal 180 degrees, so you can set the sum of these interior angle values equal to 180 and solve for x.

180 = (8x - 2) + 22 + 72

180 = 8x - 2 + 22 + 72

180 = 8x + 92

88 = 8x

11 = x

x = 11