In humans, which of these is a vestigial structure?

stomach

coccyx

lungs

hand

Why temperature is an important abiotic factor in an ecosystem

By definition, a vitamin is all of the following except: a. indispensable to body function b. a caloric nutrient c. required to prevent deficiency diseases d. an organic compound e. required in minute quantities

Why does biology have to be a subject

True or False A prion is an infectious, self-reproducing protein structure

Question 2 1 pts Different versions of the same trait are known as alleles O phenotypes O chromosomes O genotypes

The ability of the body to undergo prolonged whole body, large muscle activity is:

In humans a gene that has been identifoef as causing a type of skin cancer is the

Which one of the "big 3" macronutrients is the most calorically dense at 9 calories per gram?

What happened at Chernobyl? (first to answer this will be marked as the brainliest)

2 cycles most closely related in their role in sustaining life