The same as the mass of the proton
it is a diploid cell formed by combing of two haploid gametes
2 characteristics of the phylum:
* They are bilaterally symmetrical and triploblastic.
* Chordates are coelomate and show an organ system level of organisation.
Answer:
A
Explanation:
Natural selection occurs when an environment makes organisms with certain traits more likely to survive and reproduce.
Asexual reproduction results in no genetic variation (meaning differences in traits, also called divserity). Genetic variation must be present for certain organisms to be better suited to their environment, because in its absence all organisms share the same traits. This rules out B, C, and D. I hope this helps :)
Answer:
The prostate secretes fluid that nourishes and protects sperm. During ejaculation, the prostate squeezes this fluid into the urethra, and it's expelled with sperm as semen.
they are larger because they have more water to pick up