ASAP Please, Thank You <3
1. Explain how the abiotic components in each area determined what type of plants and animals lived there.

2. Read the following scenario: Marc's mother is remodeling the backyard. She decides to replace the grass with a concrete patio, cut down a large tree in the corner by the fence, and replace the rose garden with a rock garden fountain feature. How will this disrupt Marc's backyard biome? How with the new design change the abiotic components? What organisms will the new backyard support?

Different organisms such as plants and animals have different requirements of abiotic factors such as humidity, temperature and light intensity etc.

Birds and insects are adversely affected and the new organisms are algae and single celled protozoans lives in the new area.

Explanation:

Some organisms need water so they lives near water bodies while some organisms require high temperature for growth so they are unable to live in low temperature regions. All the living organisms such as birds on the tree and the insects that are present in the soil of rose garden are negatively affected due to the destruction of their habitat. Algae and protozoans are the new organisms which lives there due to the change in the environment.

step 1: initiation

initiation is the beginning of transcription. it occurs when the enzyme rna polymerase binds to a region of a gene called the promoter. this signals the dna to unwind so the enzyme can ‘‘read’’ the bases in one of the dna strands. the enzyme is now ready to make a strand of mrna with a complementary sequence of bases.

step 2: elongation

elongation is the addition of nucleotides to the mrna strand. rna polymerase reads the unwound dna strand and builds the mrna molecule, using complementary base pairs. there is a brief time during this process when the newly formed rna is bound to the unwound dna. during this process, an adenine (a) in the dna binds to an uracil (u) in the rna.

step 3: termination

termination is the ending of transcription, and occurs when rna polymerase crosses a stop (termination) sequence in the gene. the mrna strand is complete, and it detaches from dna.

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