Adaptive radiation is a process that occurs due to environmental changes and cause organisms to rapidly diversify from an ancestral species into a lot of new different forms. Simply saying, organisms evolve into a wide variety of new types that are adapted to new modes of life. For example, if certain animals from the same species, occupy different habitats with different environmental conditions, different morphological features or adaptations will be formed.
When mass extinction occurs, consequently number of species decrease and biodiversity is reduced. Many niches are left abundant, so they can be occupied by new species.
Answer:
The correct answer will be- species can change over time (assuming options are present)
Explanation:
The theory of evolution by natural selection by Charles Darwin suggests that species adapt to the changing environment and as a result changes over time.
The remnants of the organism that lived on the Earth gets buried under the earth and gets preserved. These preserved remnants of the organism are called the fossils which are collected and studied to understand the history of life on earth.
If the fossils collected on earth in a geographic area resembles the living species of the same geographic area provides a clue to the theory of natural selection suggesting that species can change over time as a result of natural selection.
Answer:
Each chain is made up of repeating subunits called nucleotides that are held together by chemical bonds. There are four different types of nucleotides in DNA, and they differ from one another by the type of base that is present: adenine (A), thymine (T), guanine (G), and cytosine (C).
Explanation:
The correct answer to your question is C. SY,SY, SY and SY.