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lesya692 [45]
1 year ago
14

Which of the following statements about double fertilizations is true?Two sperm nuclei are needed.A diploid zygote is formedA tr

iploid endosperm nucleus is formed.All of these choices are correct.
Biology
1 answer:
My name is Ann [436]1 year ago
7 0

Double fertilization is observed in flowering plants during which there is fusion of the sperm cells and the egg cell and two polar nuclei. This forms a diploid zygote and a triploid endosperm.

ANSWER: All of these choices are correct.

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An infant is admitted to the nursery after a difficult shoulder dystocia vaginal birth. which condition should the nurse careful
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<span>The nurse should assess the baby for a brachial plexus injury such as brachial plexus paralysis because this is the number one injury caused by a shoulder dystocia vaginal birth. This type of birth produces pressure and traction on the brachial plexus. Sometimes the injury caused during this type of birth are only temporary, but other times they are permanent.</span>
3 0
3 years ago
In Drosophila, the genes for body coloration and eye size are on different chromosomes. Normal-colored bodies are dominant to eb
hammer [34]

Answer:

150.

Explanation:

150 flies are expected to have normal body color and to be eyeless in F2 generation. The reason for that population is the ratio of the species produced. The ratio of the species are 9:3:3:1. Ratio 9 refers to first parent while 1 refers to second parent and the middle 3's represent the hybrid formed. So the population of first parent is 450 and population of second parent is 50 while the population of two hybrids are 150 each.

3 0
4 years ago
The amount of biomass that is produced in an area during a given time would be referred to as?
sweet [91]

Answer:

Explanation:

The amount of biomass that is produced in an area during a given time is referred to as primary production/productivity.

<h3>What is biomass?</h3>
  • Renewable organic material obtained from plant and animal sources if referred to as biomass.
  • Primary productivity is the production of organic compounds through the process of photosynthesis, with the help of solar energy.
  • Primary productivity is measured as biomass produced per unit area over a give time period
  • It is usually expressed either in weight or energy.
  • There are two ways to express primary productivity:

a) Gross Primary Productivity(GPP): Takes into account the total energy produced in the ecosystem.

b) Net primary Productivity(NPP): Takes into account, solely the energy used by the producer for respiration.

To learn more about biomass, refer:

brainly.com/question/25876556

#SPJ2

6 0
2 years ago
Please answer. I’ll give thanks to those who try and brainlyist to the one who gets the right answer
Nimfa-mama [501]

Answer:

Explanation:

B

7 0
3 years ago
Read 2 more answers
PLEASE HELP ANSWER FAST WILL MARK BRAINLIEST AND GIVE 20 POINTS
hodyreva [135]

Answer:

its a compound

Explanation:

because it was broken down into a gas and blue powder, elements cant be broken into simpler substances.

7 0
3 years ago
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