Genetic Variation
Natural selection results in organisms that are better suited to their environment are able to pass on genes to create strong offspring
Answer:
9- C
cellulose strengthens the cell walls present in a plant
enzymes and antibodies are made of proteins
water is the universal solvent.
10- C, all 3
1- cytoplasm contains about 85% of water, which helps in movement within the cells.
2- urine contains 95% of water, and it dissolve urea and salts in it.
3- plasma contains 90% of water, so we can say that water allows transportation of substances in the blood.
Water from rain and snow that travels to streams
Answer:
Regions of the digestive system can be divided into two main parts: the alimentary tract and accessory organs.
Explanation:
Answer:
a) During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate.
