Answer;
Adaptive radiation;
The pattern of evolution that is shown by many species of finches on the Galapagos Islands is Adaptive radiation.
Explanation;
Adaptive radiation is a pattern of evolution in which a single lineage undergoes multiple speciation events to fill divergent ecological niches. The result is a cluster of phenotypically distinct related species.
A few million years ago, one species of finch migrated to the rocky Galapagos from mainland of Central or south America. From this one migrant species would come many species;-at least 13 species of finch, which exploit different niches, evolving from a single ancestor.
Exoskeleton
Exoskeleton is a evolutionary innovation. This is operated by muscles attached to it and acts as an armor. Other than support this is an adaptive mechanism to provide protection against predators. In vertebrates, it is considered as the dermal bone that developed via membranous ossification. Fishes retained their exoskeleton in the form of their scales. However, in some organisms terrestrial evolution allows the loss of exoskeleton and formed a more mobile endoskeleton,
I
have black hair just like my father and blue eyes like my mother. The
shape of my nose also resembles the shape of my father’s nose yet I
am taller than both of them, I have less body fat index and more
hair!
<span>I
think the environmental factors are responsible from much of the
differences between me and my parents, after all I grew up, in a
sense, in a different world. The level of pollutants in the air, the
hormones in the food, ,better medical care and even the availability
of information regarding health care choices, they are all factors
that change from generation to generation and change they way we are
and a very real way. It is true that we are the product of our genes
but the environment plays a determinant role in our development as
well.</span>
Answer:
An arctic fox changes its fur color to blend in with its surroundings
Explanation:
This is a defense mechanism because when it blends into its surroundings it can hide from its predators and help defend itself
