Question 8-
(a) move out of the cell
(b) cell would shrink
(c) hypertonic
Queston 9-
(a) move into the cell
(b) cell would swell
(c) hypotonic
Answer:
b. The individual's' genetic composition
Explanation:
Natural selection is an occurrence in nature in which organisms with genes that have mutated to adapt to certain ailments, survive better than their mates. J.B.S Haldane made a hypothesis that this phenomenon of natural selection accounted for why people in Africa had developed resistance to malaria. Their hemoglobin, proteins, and other compounds that are necessary for the function of the red blood cells had been modified so that they would not easily be infiltrated by malaria parasites.
A.C. Allison confirmed this in his experiment which showed that people who had sickle cell mutations in the gene, beta hemoglobin were mostly found in regions where malaria was prevalent. Their genes had also been modified such that they were resistant to malaria.
Answer:
The pattern of growth in which the child is able to control the head and neck before the arms and legs is known as Cephalocaudal Growth.
Explanation:
Cephalocaudal Growth.
This type of growth pattern happens with the humans when they are infants, where fastest growth takes place at the upper part of the body which includes, head. Then the growth started with the gradually lower parts like neck, shoulder etc.
<u>oxides</u> and <u>hydroxides</u>, as they have the highest chemical composition with different criteria's.
Answer:
C. A Turtle suns itself on a rock during a cool day
Explanation:
Because, the three other answers are an internal stimuli