The correct answer is A. More oxygen is produced during photosynthesis
than the plant needs for cellular respiration, so the plant needs to release the extra oxygen.
The mechanism that Darwin proposed for evolution is natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.
Natural selection is one of the basic mechanisms of evolution, along with mutation, migration, and genetic drift. Darwin's grand idea of evolution by natural selection is relatively simple but often misunderstood. To find out how it works, imagine a population of beetles: There is variation in traits.
Could you please help me with my question it would mean a lot. (:
You welcome I hope this helped.
Explanation:
getting plenty of bed rest and fluids
using painkillers, such as ibuprofen and paracetamol – aspirin should not be given to children under 16
applying a warm or cool compress to the swollen glands to help relieve pain
Answer:
protein a polypeptide made up of chain of amino acids.
