Answer:
Ecology is the study of ecosystems.
Explanation:
Answer:
D Butterfly, coral and amoeba came from pre existing cells
Explanation:
Mutualism. e.g. oxpecker and zebra
commensalism. e.g. remora fish and sharks
parasitism. e.g. tapeworms and cow
If not parents had a recessive type O allele, they would have a 1/4 or 25% chance of having a child with type O blood
Answer:
C
Explanation:
Active transport requires energy, while passive energy does not.