2: D 3: A 4: B 5:A 6:C PLEASE MARK BRAINLIEST!!
Melting of ice and island decreasing in level
An ectotherm gets its heat from external sources
(Remember "ecto" means outer, "endo" means inner)
Answer:
adrenaline is the hormone which is directly controlled by nervous system
Variation- Heritable differences that exist in every population are the basis for natural selection
Overproduction- Competition for resources for resources
adaptation- A trait that helps an organism survive and reproduce
decent with modification- Natural Selection will result in species with adaptation that are well suited for survival and reproduction.
