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cricket20 [7]
2 years ago
13

Calculate the average pulse rate before exercise for this group, to the nearest tenth

Biology
2 answers:
Sedbober [7]2 years ago
5 0

Answer:66.2 bpm

Explanation:

add all pulse rates together and divide by 5 because there are 5 people

Lera25 [3.4K]2 years ago
3 0
It's 46.2 (add all together then divide by 5 as there's five numbers)
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Attached earlobes are recessive to free earlobes. If two heterozygous individuals have a child, what is the probability of the c
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Answer:

probability of the child having attached earlobes since it is recessive i.e (yy)

=1/4

=0.25 × 100%

=25%

Explanation:

If two heterozygous individuals have a child

i.e let the heterozygous individuals be  = Xy

if both traits crosses together; their F₁ offspring will be;  (XX, Xy, Xy, yy)

Xy  ×   Xy

          X             y

X        XX          Xy

y       Xy            yy

probability of the child having attached earlobes since it is recessive i.e (yy)

=1/4

=0.25 × 100%

=25%

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3 years ago
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Seeds become major sinks during the reproductive stages

Explanation:

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2 years ago
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541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.

source- Britannica

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<em>No caso de obstrução de vasos de plantas hospedeiras por biofilmes bacterianos; os biofilmes se formam na superfície do vaso e aumentam gradualmente de tamanho até que haja uma obstrução completa do vaso da planta. Quando o vaso da planta é eventualmente obstruído, o fluxo de materiais e minerais necessários é obstruído; levando à obstrução das células da raiz de receber materiais vitais e minerais necessários para o crescimento, isso eventualmente leva à morte progressiva das células da raiz.</em>

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