Think critically .Most animals do not not have a back bone . they're call Invertebrates. what are some advantages that Invertebrate animals might have over vertebrate animals ? plz help

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

What are 3 reasons that natural selection occurs