Answer: Pigeon and duck.
Explanation:
From that side of the tree, you can see that the pigeon and the duck are closest together in the tree than the other organisms in the other options.
Answer:
The animals adapt to survive.
Explanation:
If a giraffe can't reach the food that another one can, that giraffe will die and the longer necked one wll survive. Adaptations over time cause evolution. The fittest will survive. (Darwinism)
Answer:
Pangenesis
Explanation:
The theory of 'pangenesis' was proposed by Darwin to explain the process of inheritance of genetic traits from one generation to next. According to this theory, gemmules are the tiny particles produced by all the somatic cells of the body of living beings. These gemmules are also called pangene. Blood carries gemmules from all the body cells to the gonads. These gemmules from all the somatic cells form germ cells in gonads.
B. response to a stimulus
The sunflower is the responding to the sun's light (the stimulus) by bending towards it
