The element that is most common in Vitamin D is CARBON.
An epoch is longer than an era.
Answer:
Some substance in the infectious S strain could change the harmless R strain into the more lethal form.
Explanation:
These first type of experiments where crucial to advance in DNA knowledge.
In one experiment, they treated the material with enzymes that destroy all proteins. This is important because scientist notice that there was something else that was causing the strain to change into a lethal form and was heritable (DNA). Know a days we know that plasmids are responsible for such transformation.
What is an introduced species ?
A. A species that is a poor predator
<u>B. A species that does not normally live in an area
</u>
C. A species that has no permanent home
D. A species that increases biodiversity
Answer:
producers
Explanation:
All the energy comes from the sun. a small amount of sunlight energy is trapped by green plants and used in photosynthesis to form organic materials in plants that are sources of food to the rest of the animals. Animals get this energy when they feed on plants directly like the herbivores or indirectly like the carnivores.