Answer:
C. both a and b are correct
Explanation:
#carry on learning
Answer:
1) Pollen is released from the anther.
2) Pollen sticks to the stigma.
3) Pollen tube forms and grows through the style.
4) The pollen tube reaches the ovule within the ovary.
5) Sperm fertilizes the egg.
Explanation:
Pollination is a process in which pollen grains are transfer from anther to stigma of the flower. It occurs through wind, water and insect such as bees. When pollen gets mature, it falls from anther to the stigma. There it makes a tube which goes to the ovary. This pollen reaches the ovary through this tube and combines with ovule and fertilization occurs.
Answer:
Heterotroph
Explanation:
A heterotroph is an organism that ingests or absorbs organic carbon in order to be able to produce energy and synthesize compounds to maintain its life.
I think this is the answer. It may be autotroph if im wrong.
Mutation usually occurs when there is an error in the pairing of gametes during the crossing over stage of meiosis. There are many types of chromosomal mutation and these are: translocation, duplication, deletion, and inversion. Changes in the number of chromosomes may lead to unique changes in physical and behavioral traits of organisms.