Healthy ecosystems depend on plant and animal species as their foundations. When a species becomes endangered, it is a sign that the ecosystem is slowly falling apart. Each species that is lost triggers the loss of other species within its ecosystem. Humans depend on healthy ecosystems to purify our environment.
Answer:
phosphodiester bond
Explanation:
This is right according to two online sources.
C both. it changes in different regions
In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. This process occurs in all living organisms and is the basis for biological inheritance.
Oxygen belongs to the Chalcogens family of elements. Oxygen is found in Group 16 or VIA of the periodic table, along with the elements sulphur, selenium, polonium and tellurium.
