The graph below illustrates a single species of bacteria grown at various pH levels. The most likely reason there are no
colonies in cultures of this species at pH 4 and at pH 10 is
that
Number of Colonies of Bacteria
Present at various pH Levels
70
60
50
40
Number of Colonies of

Bacteria Present in Culture
30
20
10
0
4
5
6
7
8
9
10
pH
O these bacteria could successfully compete with other species of
bacteria at these pH values
there are more predators feeding on these bacteria at pH 4 and
pH 10 than at other pH levels
O at pH 4 and pH 10 the environment is too acidic or too basic for
the bacteria to grow
fertilization cannot occur in these bacteria at pH 4 or pH 10

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because the light is a great source of energy for the plants to survive. (i hope this )

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

it's d - life cycles - apex

answer diabetes mellitus;