Answer:
Explanation: DNA is the information molecule. It stores instructions for making other large molecules, called proteins. and the function of DNA is To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.
The right answer is B
A primary producer corresponds, in an ecosystem, to an autotrophic living being, that is to say capable of producing organic matter from mineral matter. It is the first element of the food chain. This organism is totally or partially ingested by a primary consumer, itself being the potential target of secondary consumers.
Decomposers are living creatures that contribute to the degradation of dead organic matter or feces by returning them in mineral form. They play a crucial role in an ecosystem because they participate in the recycling of the elements.
Hello!
Your answer is D.
"treeless, permafrost, cold dark winters"
A tundra is a large stretch of land usually near mountains, it is often snowy and very cold. It has small dunes and little to no life besides grass and some animals.
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D)Oxygen diffuses from alveolar sacs to blood in capillaries
