As resources in a population become less available, the population
a. declines rapidly.
b. increases slowly.
c. reaches carrying capacity.
d. enters a phase of exponential growth.
when the exponential phase of a logistic growth curve of a population ceases
a. the size of the population drops.
b. the size of the population stays the same.
c. population growth begins to slow down.
d. population growth begins to speed up.

Hi there!

As resources in a population become less available, the population:

C. Reaches carrying capacity

When resources in a population become less available, the population will not be able to continue growing even more because there would be enough resources, and so, it has reached its carrying capacity.

When the exponential phase of a logistic growth curve of a population ceases:

C. Population growth begins to slow down.

The population will continue to grow but will do so at a slower and steadier rate.

I hope that helps! :)

1. C. reaches carrying capacity.

2. C. population growth begins to slow down.

Explanation:

1. Carrying capacity refers to the maximum number of individuals in a population or the maximum population size that can be indefinitely supported by a system. As the population size grows above the carrying capacity, the resources become scarce and the negative interactions among the individuals such as competition increase. The scarcity of one or more resources slows down population growth.  

2. In a logistic growth curve, the lag phase of population growth is followed by the log phase during which the population size grows exponentially. However, as the population size reaches the carrying capacity of the system, the exponential growth is stopped and the population enters into the stationary phase of growth. Therefore, once the carrying capacity is reached, the population growth is slowed down due to limited resources.  

the answer to your question is b

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.