I think it might be B.) and C.)
An invasive species, such as the trees in your question, could:
- Out compete the native flora for resources, such as nutrients.
- An earlier reproductive and faster growing cycle could quickly surpass native tree growth.
- This alien species taking the place of native trees could disrupt the habitat of animal species that need the native flora instead.
Meiosis 2 follows the same division as mitosis except there are only half the chromosomes
Pairs of alleles can be either a 2 capital letters (such as AA), 2 lowercase letters (such as aa), or 1 capital and 1 lowercase letter (such as Aa).
To be dominant, an allele pair must have at least 1 capital letter. Any allele pair with both lowercase letters is recessive.
2 capitals (AA) is homozygous dominant. Homozygous because both letters have the same capitalization and dominant because there is at least 1 capital letter.
1 capital and 1 lowercase (Aa) is heterozygous dominant. Heterozygous because the letters have different capitalization and dominant because there is at least 1 capital letter. Heterozygous is always dominant.
2 lowercase (aa) is homozygous recessive. Homozygous because both letters have the same capitalization and recessive because both letters are lowercase, so there are no capitals.
So the answer is 2, there must be 2 recessive alleles for an organism to have that trait be recessive.
The main two functions of a catalyst are to
1) Decrease reaction activation energy
This is accomplished by providing the reaction with an alternate pathway which does not require as much activation energy.
2) Decrease reaction time
This is done by decreasing the activation energy as well as arranging substrate molecules in a manner in which they are easily broken down.