Answer:
It always contains certain elements
Explanation:
Just took the test
AATTCGCGATTAGCATGA
The complementary strand it what matches to the original. T means the complementary letter will be A (and vise versa), C means the complementary letter will be G (and vise versa).
Hope this helps
Answer: ozone concentration
Explanation: The Dobson Unit is the most common unit for measuring ozone concentration. Becuse ozone concentration is hard to measure they use The Dobson Unit.
I believe that in this community the tadpoles are: the primary consumers. A n ecological community is the set of all populations of all species found in a given place. Primary consumers are mainly herbivores which feed on plants; which are the primary producers of all the energy in an ecosystem. In this case the tadpoles eat algae (primary producer) thus they are primary consumer.