Answer: A
Explanation:The reproductive system included as the knowledge of knowing that it will take up a lot of energy and about 9 months and you know that the parents genes will passed to them but they don’t know how much kids they will have
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.
Answer: I cant say for sure how many species have to be extinct. But yes a species can become extinct.
Explanation:
Answer:a.
Explanation:I took the quiz
Answer:
The chemical properties of an element are determined by the configuration of its electrons in orbit around its nucleus.
Explanation:
The number of electrons in each element’s outermost valence shell, is the primary factor in determining its chemical properties. The number of electrons in an atom are equal to the number of protons in the nucleus so the electrical charges balance each other. The number of protons in the nucleus of an atom is its Atomic Number.
