Answer:
Change in food source.
Explanation:
If there is a change in food source, then the organism will have to adapt to that change. For example, with Darwin's Theory on the finches on the Galapagos Islands. There were many different varieties from different size to different beaks. This was because of changes on food sources and they adapted to obtain them more.
Answer:
"polygenic" Can i have brainliest please
Human skin color is a polygenic trait. That means that it is influenced by many genes. It is known few hundreds of genetic loci that are involved in the determination of skin color.
Answer: Option B
Explanation:
The population of moose increased during 1990-1995 because the predators that feed on moose population was low.
The predators that feed on the population of moose are large carnivores which eats them.
This caused increase in the population of moose during 90s as there was a sudden decrease in the population of predators that feed on them.
The correct answer is Metal.
Sound waves are vibrations which need medium to propagate. Higher the density of medium, the sound travels fastest. Sound travels fastest in solid than liquid and gas. Therefore, in this question sound will travel faster in metal because metal has higher density than air and water and it will not travel in vacuum as sound needs medium to travel.
Answer:
variations says it all...
