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NNADVOKAT [17]
3 years ago
9

Can someone help me with this?

Biology
2 answers:
Lina20 [59]3 years ago
7 0
Independent variable: FERTILIZER.
 This is the variable that you think affect your dependent variable and so you change it and use different types of it to confirm your prediction.
Dependent variable: COLOR.
That is the variable you are interested in.
Hypothesis: THE TYPE OF FERTILIZER USED IN CULTIVATING HYDRANGEA FLOWER AFFECT THEIR COLOR.
 An hypothesis is a generalized statement which predicts the relationship between the variables you are examining. 
Control group: THE GROUP THAT DID NOT GET ANY FERTILIZER
The control group is the group that does not receive any treatment. 
Experimental groups: THE GROUPS THAT RECEIVED FERTILIZERS.
The experimental group is the group that receives treatment. 
Constants: TYPES OF SOIL USED, MORNING SUNLIGHT, WATER AND THE NO OF DAY THE EXPERIMENT LAST.
The constants are the inputs into your experiment which you give to all the groups.

bonufazy [111]3 years ago
3 0

1. Independent variable: type of fertilizer

2. Dependent variable: color of hydrangea flowers

3. Hypothesis:  The type of fertilizer changes the color of their hydrangea flowers.

4. Control group: One bush gets no fertilizer.

This bush is their basis of comparison on what changes the type of fertilizer have on different bushes.

5. Experimental group: 9 bushes where every bush gets 3 cups of fertilizer, but each receiving a different brand.

Since there are 10 hydrangea bushes and 1 of these is the control group, the rest are experimental groups.

6. Constants: - Variables that are the same all throughout the experiment.

* Planted in the same yard with the same type of soil.

* All bushes receive morning sunlight and no afternoon sunlight

* All bushes are watered the same amount every other morning.

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Part A Which of the following features is a significant difference in the function of DNA polymerases versus RNA polymerases? Se
Artist 52 [7]

Answer:

The correct answer is RNA polymerase does not require a primer to add new nucleotides.

Explanation:

RNA polymerase is an important enzyme of transcription process that deals with the formation of mRNA from DNA. unlike DNA replication, transcription process does not require any RNA primer to carry out the synthesis of mRNA in 5'→3" direction.

   RNA polymerase use coding strand of DNA molecule as a template to synthesize new mRNA molecule from that parental DNA molecule.

4 0
3 years ago
Design a controlled experiment to determine whether earthworms change the forest ecosystem.
Orlov [11]

"The experimental hypothesis may be that if Asian worms are introduced into a <u>deciduous forest</u>, the soil's nutritional composition will alter. The control group would consist of a region of the forest that has been worm-free in some way. But in order to serve as a control, this forest would experience the same amount of sunshine, heat, and precipitation. In order to determine if Asian worms actually have an impact on the forest ecology, the scientists could then analyze the amounts of nitrogen, phosphorus, and sulfur in the two portions of the forest."

Deciduous forest- A deciduous forest is one that is mostly made up of trees that shed their leaves in the fall.

To know more about the forest ecosystem, click on the below link,

brainly.com/question/24258058

#SPJ4

6 0
1 year ago
I need help please!!
Sliva [168]

Answer:

Prokaryotes and Eukaryotes are two types of cells with similarities and differences. Eukaryotes are plant cells and animal cells. They are mostly found in multi-cellular organisms. Prokaryotes are usually single-celled organisms and have a tail. Those are the examples that I remember, but there are way more similarities and differences. I hope this helped!!

3 0
2 years ago
Athletes and physically active people have increased needs for
STALIN [3.7K]
They have increased need to carbohydrates, protein, water and iron.

Carbohydrates is the primary source for energy and active people apparently need more energy for their daily activities.

Protein helps build muscles, even though they only need a small amount more of protein than normal people, they still require protein for muscle buildings.

Water has to be needed as they may excrete more sweat by active activities in the day time. Water can also help remove waster material from body.

Iron helps the production of hemoglobin, which is in the red blood cells that help transport oxygen. As they exercise more, they need more oxygen supply for respiration, therefore there is a need for iron supply.
3 0
3 years ago
Please help!
ivann1987 [24]

Answer:

Carbon dioxide

7 0
3 years ago
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