Answer:
photosynthesis allows plants to make their own nutrients/food
Explanation:
photosynthesis is the process where plants make their own glucose so that they get ATP (energy) from the nutrients which allows them to grow. The chloroplast is the organelle where photosynthesis occurs, so it allows the process to happen.
B the origin of new matter in the steady state theory???
Answer:
2 in 4
Explanation:
Let PP are the gametes of red feather bird and pp are the gamete of blue feather bird. In the first cross they both will give purple feather bird because of incomplete dominance.
Consider Pp as the allele of purple offspring for the second cross. When two of the purple offspring are crossed, it will give the proportion of 2 in 4
F2: Pp X Pp
Offspring: PP, Pp,Pp, pp
So, only two offspring, Pp is with purple feathers while PP has red and pp has blue feathers.
Hence, the correct option is 2 in 4.
True statement. Sperm are continuously produced by males, while a female is born with a full supply of eggs.
Characteristics of egg cells and sperm cells.
*Egg cells are usually formed in a female before birth while sperm cells form during puberty.
*Egg cells are produced in the ovary of a female human being while sperm cells are produced in the testicles of a male human being.
*Egg cells are included in the largest cells in a female body while sperm cells are the smallest cells in the male body.
*Only a single egg cell is produced during ones menstruation cycle while millions of sperm cells are released during a single ejaculation.
*Egg cells formed before birth and are active only until female menopause while sperm cells production started during puberty until death of the male body.
