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oksian1 [2.3K]
3 years ago
12

1. All thriving things need energy in order to __________________ and ________________

Biology
1 answer:
creativ13 [48]3 years ago
3 0

1. All thriving things need energy in order to defend themselves (escape danger) and perform functions such as growth, maintaining balance, repair, reproduction, movement.

Sorry, I don't completely understand the second one

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53 The plants in an ecosystem produce food
Finger [1]

Answer:

The plants in an ecosystem produce food  for most of the other organisras that live in  that ecosystem. The role of a plant in its  ecosystem is its <em>trophic level</em>

Explanation:

Plants are the least to be found in the trophic level, they are otherwisely called <em>autotrophs. </em>They make food for themselves while others among the trophic level depend on them

6 0
3 years ago
PLEASE HELP ME OUT WITH THIS REALLY HARD QUESTION,WHICH I NEED TO BE DONE BY TOMORROW !!!IF YOU KNOW THE ANSWER,PLEASE TELL ME I
blagie [28]
Experiment Title: Does soil pH affect the color of tomato fruits?

A. Thesis statement: A high soil pH yields red tomatoes.

Set up: 9 pots each filled with soil of varying pH will be used in this experiment. The pots will be assigned into three groups: The control group will contain soil that has a neutral pH, the basic group will contain soil that has a pH greater than 7, and the acidic group will contain soil that has  a pH lesser than 7.

The amount of water and sunlight received by the groups should be equal to eliminate other factors that could possibly affect the color variations. By keeping these factors the same, color variation would solely depend on the pH of the soil. 

Control Group: It is necessary to keep the soil pH of the neutral group to be exactly 7. By making it neutral, we would be able to know what the natural color is exhibited by the tomato fruits.

The dependent variable in this experiment would be the color exhibited by the tomato fruits. The color exhibited is believed to be dependent on the pH of the soil. By having three samples each with varying pH, it is expected that there will be color variation. 

Data Collection:
When the tomato plants bear fruits, determine the color of the fruits produced from each group. Create a table with two columns: the first column would be the group where the fruit belongs and the second column would be the color exhibited. Compare the data gathered from the three groups.

Data analysis:

A scenario which will support your hypothesis would be: the group which contained the basic soil produced red tomatoes. The neutral group produced orange tomato fruits while the acidic group produced yellow tomato fruits. It was found out that the higher the soil pH, the fruit color takes on a redder hue whereas if the pH keeps on going down, the fruit takes on a yellow a hue. 
7 0
3 years ago
John and Joshua used a light microscope to observe a plant cell. They indicated the magnification as x1000. Given the eye piece
Zinaida [17]

Answer:

Objective Lens Magnification = ×100

Explanation:

In a microscope, the ocular (eyepiece) lenses are usually to a magnification of ×10, meaning that it magnifies the image 10 times. While the standard objective lenses have magnifications of ×4, ×10, ×40, and ×100.

In order to work out the total magnification, the individual magnifications of the ocular and objective lenses have to be known, after which a simple multiplication of both magnifications will give the total magnification used.

Total Magnification = (eyepiece lens magnification) × (objective lens magnification)

1000 = 10 × obejcetive lens magnification

Dividing both sides by 10

Objective lens magnification = 1000 ÷ 10 = 10

∴ Objective lens magnification = ×100

7 0
3 years ago
Do you think Peacocks would be in Hardy-Weinberg Equilibrium? Why or why not?
Slav-nsk [51]

Peacocks would not be in Hardy-Weinberg Equilibrium

Explanation:

This can be justified by the mating patterns of the female peacocks. They do not choose their mates randomly but look out specifically for bright attractive plumage in their male partners and then select them.

Hardy-Weinberg's Equilibrium of evolution mechanism was based on facts like random mating, no natural selection,  mutation, absence of gene flow, and infinite population size.

They stated that organisms mate randomly with each other without any specific or a particular preference in the phenotypes of their opposite mates

4 0
3 years ago
Select all items that describe the Amish culture. a. speak Creole or Spanish b. wear simple clothing c. embrace technology d. li
ad-work [718]

Answer:

Simple clothing, living in farming communities and using horse- driven vehicles best describes Amish culture.

Explanation:

The simple clothing concept of Amish culture shows their modesty. The women wear long and simple dresses that goes all the way down to their knees and they also cover their hair. They believe wearing simple dress is a way of keeping their hearts pure.

Amish people use buggy or horse driven vehicles and not cars because they believe that the innovation in technology has the potential to bring assimilation into the surrounding society.

They mostly live in farming communities which are located in Indiana, Pennsylvania, Ohio, Central American and even in Canada.

7 0
3 years ago
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