Asap !
at which trophic level would you expect to find only 1% of the energy that was initially stored in the food chain?
first trophic level
second trophic level
third trophic level
fourth trophic level
fifth trophic level!

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?