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Karolina [17]
3 years ago
10

Our experiment was to keep one seedling set in a light place and the other set in a closed cardboard box. So my question is to e

xplain why it is important to keep one set of seedlings in the light. I hope to get a perfect answer
Biology
1 answer:
mina [271]3 years ago
5 0

Answer:

To examine the importance of light to a plant's growth.

Explanation:

To give a background to this question, I will define a key term "Photosynthesis". Photosynthesis is a compound word made up of photo (which means "light") and synthesis (which means "to put together").

It is the process by green plants use sunlight to obtain nutrients from carbon dioxide and water.

The experiment us meant to examine the effect of deprivation of sunlight on a plant's growth.<u> </u>

Therefore, the essence of keeping one set of seedlings in the light is to compare if there is any difference in growth between the seeding kept in the dark cupboard and that kept in the light.

This enables us to conclude whether or not light is important for the growth of a plant.

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Helppp pls I need these two 9 and 10 pls
xenn [34]

Answer: Number 9 D

          and Number 10 is D

Explanation:

8 0
2 years ago
Which of the following does an eastern bluebird do to obtain its food
Darina [25.2K]
Eat worms from the ground
5 0
3 years ago
PLEASE NO LINKS
Annette [7]

Considering the definition of probability, the correct answer is third option: the approximate probability of a moth being brown and yellow respectively is 33% and 21%

Probability is the greater or lesser possibility of a certain event occurring.

In other words, probability establishes a relationship between the number of favorable events and the total number of possible events.

Then, the probability of any event A is defined as the quotient between the number of favorable cases (number of cases in which event A may or may not occur) and the total number of possible cases. This is called Laplace's Law.

P(A)=\frac{number of favorable cases}{total number of possible cases}

In this case, you know that in a moth population, 48 are brown, 30 are yellow, and 67 are black. So, the total number of possible cases is calculated as:

total number of possible cases= 48 + 30 + 67= 145

The number of favorable cases for a moth to be brown is: 48

Then the probability that a moth is brown is calculated as:

P(A)=\frac{48}{145}= 0.33= 33%

On the other side, the number of favorable cases for a moth to be yellow is: 30

Then the probability that a moth is yellow is calculated as:

P(A)=\frac{30}{145}= 0.21= 21%

In summary, the correct answer is third option: the approximate probability of a moth being brown and yellow respectively is 33% and 21%

Learn more about probability:

  • brainly.com/question/23297275?referrer=searchResults
5 0
2 years ago
What is the “fluid-filled sac” that cushions the embryo?
MAVERICK [17]
The answer is A. Amniotic sac
5 0
3 years ago
Read 2 more answers
Plant cells cannot change glucose to starch. true or false
melamori03 [73]

True.

Plants can change starch to glucose but not glucose to starch since starch is useless to them the way it is, so they break it down into glucose. That's why they have no reason to be able to transform glucose to starch.

Further info: starch changes into glucose during a process known as photosynthesis.


Hope it helped,


BioTeacher101

6 0
3 years ago
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