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Answer:
Blue offspring only
Explanation:
If A blue budgie is crossed with a white budgie.
i.e yyBB or yyBb × yybb
let use yyBb for blue budgie,so we have; yB, yb, yB, yb representing the columns on the horizontal rows of the punnet square.
on the other hand, in white budgie yybb, we will have yb, yb, yb, yb representing the rows on the vertical column of the punnet square.
if a dihybrid cross occurs among these representative, all progeny in the punnet square will be yyBb, showing that they are all Blue offspring only.
Answer:
Dandelions may appear <u>quicker after harsh conditions and reproduce at a faster rate.</u> However, both dandelions and shrubs are considered <u>fast-growing plant species</u> that can be categorized as <u>pioneer species.</u>
Explanation:
Secondary succession refers to the changes that take place in a disturbed habitat. Pioneer plant species are those that <u>colonize new habitats after harsh climate conditions and that tend to reproduce at a fast rate.</u>
According to researcher J.W. Darlling (2008), pioneer herbs and shrubs are species that tend to grow faster in comparison to other species, making them excellent pioneer species.
This occurs thanks to plants that are <u>wind-pollinated</u>, such as dandelions, have a higher chance to appear because, as it is a disturbed environment, there are no insects or other fauna present. In addition, shrubs are <u>persistent species that are able to reproduce fast with limited soil availability</u> but a bit <em>slower</em> in comparison to dandelions.
Answer:
The first one and second one
Explanation:
It’s the left ventricle as this is the one that has to pump blood from the heart all around the rest of the body