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Kisachek [45]
3 years ago
10

Where is light penetration in a river or stream likely to be lowest?

Biology
2 answers:
hichkok12 [17]3 years ago
7 0

Light penetration in a river or stream is likely to be lowest at: the mouth.
Dovator [93]3 years ago
5 0

Answer:

B

Explanation:

"Light penetration in a river or stream is likely to be lowest at the mouth of the river, and thus the answer is (b).

This is because the beginning of the river is mainly free of particulate matter and is clear and so there is an ample amount of light

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The cell cycle represents the coordinated sequence of events in the life of a cell from its formation to its division into two d
Fofino [41]

Answer:

<h2>Interphase : divided into three phases, i) G1 phase, ii) S phase and iii) G2 phase.</h2><h2>Mitotic phase: i) prophase, ii) metaphase, iii) anaphase and v) telophase.</h2>

Explanation:

interphase : divided into three phases, i) G1 phase, ii) S phase and iii) G2 phase.

G1 phase: cell decide whether to divide or not and prepare itself for replication of DNA and arrange replication machinery.  otherwise it goes to G 0 phase.

S phase: DNA replication occurs in this phase.

G2 phase: cell duplicates all their contents and prepares for mitotic phase.

Mitotic phase:

i) prophase- chromosome condensation occurs,

ii) metaphase - chromosome arranges in meta-plate and spindle binds to each chromosomes  at centromere.

iii) anaphase- chromosome separates from sister chromatids.

iv) telophase- chromosome moves to each ends and formation of nuclear membrane begins.

cytokinesis:  there is division of cytoplasm and forming two daughter cells.

8 0
4 years ago
What is the height and length of a arctic tern?
Sonbull [250]

Answer:

The Arctic tern is a medium-sized bird around 33–36 cm (13–14 in) from the tip of its beak to the tip of its tail. The wingspan is 76–85 cm (30–33 in). The weight is 86–127 g (3.0–4.5 oz.).

Explanation:

6 0
3 years ago
Which part of the cell membrane prevents the cell from dissolving in water​
fredd [130]

Answer:

As the outer layer of your skin separates your body from its environment, the cell membrane (also known as the plasma membrane) separates the inner contents of a cell from its exterior environment. This cell membrane provides a protective barrier around the cell and regulates which materials can pass in or out.

Explanation:

6 0
3 years ago
A slow reproduction process is a disadvantage of which from of reproduction
Alinara [238K]

Answer:

Disadvantages.

Explanation:

A big disadvantage of sexual reproduction is that the process is much slower than asexual reproduction. For starters, the cell division, which is meiosis, is more complex and has more stages than mitosis.

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3 years ago
Please help me answer the following question.
kari74 [83]

Answer:

1a and 4b equals -59

rufjjfjvufjf

7 0
3 years ago
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