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Norma-Jean [14]
3 years ago
7

Which cells of bones secrete the matrix of Haversian canal?

Biology
1 answer:
Ludmilka [50]3 years ago
4 0
B. Ocetoclast is the answer.

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Before a captive breeding program and subsequent reintroduction of the black-footed ferret it is believed that their total popul
irga5000 [103]

Answer:

a) 99.93%

b) 99.98%

Explanation:

Given that:

Total population size was only around 18 individuals ( for  black-footed ferret)

If the annual survival rate in the wild was 0.4%.

a)

What is the probability that all 18 would have died in a single year?

To find that; we multiply the annual survival rate in the wild with the total population; which is:

(0.4%×18) = 0.072%

Then; we subtract it from a total of 100% in order to determine the probability that all 18 would have died in a single year.

= (100.00% - 0.072%)

= 99.93%

b)

What is the probability that all 18 would have died in a single year if canine distemper was present?

Given that;

Because of the presence of canine distemper disease, the annual mortality rate might have been as high as 0.89.

To determine the probability; we have:

1 - Annual mortality rate = annual survival rate

1 - 0.89 = 0.11 %

Therefore, 0.11% of 18 individuals = (0.0011 × 18)

= 0.0198%

Probability that all 18 would have died in a single year if canine distemper was present = 100 - probability of annual survival rate

= (100 - 0.0198)%

= 99.98%

7 0
3 years ago
Which of the following statements best describes the nucleus of a cell?
andrezito [222]

Answer:

D

Explanation:

The nucleus is what stores a lot of "data" so to speak or genetic material due to being the command post of the cell.

4 0
3 years ago
Read 2 more answers
Which of the following is an example of succession in an ocean ecosystem?
dexar [7]
I would say its between A and D, Hope it helps.
4 0
3 years ago
Read 2 more answers
Which choice below lists the biomes in order from lowest average temperatures to highest average temperatures?
Anni [7]

Answer:

taiga, temperate deciduous forest, savanna

7 0
4 years ago
Read 2 more answers
Penny writes a word equation to describe photosynthesis. Which of the following is correct?
Papessa [141]

Carbon dioxide + water -> glucose and oxygen

So, the answer would he 'A carbon dioxide and water combine and produce sugar and oxygen'.

Hope this helps! :)

3 0
3 years ago
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