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Levart [38]
3 years ago
15

What are the variables in her hypothesis

Biology
1 answer:
Alexxandr [17]3 years ago
3 0

A hypothesis states a presumed relationship between two variables in a way that can be tested with empirical data. It may take the form of a cause-effect statement, or an "if x,...then y" statement. The cause is called the independent variable; and the effect is called the dependent variable.

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During winter, Alaska typically sees a decrease in the number of prey animals. In
schepotkina [342]

Answer:

Decrease

Explanation:

If the foxes have nothing to eat, some will starve and die so the population will decrease.

Have a wonderful day!

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4 0
2 years ago
Define ecological pyramid and indicate the limitations of ecological pyramid​
yKpoI14uk [10]

Answer:

Ecological pyramid is a graphical representation showing the biomass or bioproductivity at each trophic level in a given ecosystem.

Limitations

The ecological pyramid does not take into account the same species belonging to more than one trophic level.

7 0
4 years ago
Jason wanted to find out how he could increase the number of popcorn kernels that pop when cooked. He hypothesized that more ker
Ghella [55]

Answer:

This question is incomplete, it is asking to identify the following variables in the question:

Independent Variable: DIFFERENT AMOUNTS OF OIL

Dependent Variables: NUMBER OF KERNELS THAT POPPED

Controlled Variables: TIME FOR POPPING, SAME BRAND OF KERNEL, SAME COOKING TIME

Explanation:

The independent variable of an experiment refers to the variable that the experimenter intentionally manipulates or changes for the purpose of effecting a measurable response in another variable (dependent variable). In this experiment, the independent variable is DIFFERENT AMOUNTS OF OIL used because this is what Jason changes in the experiment.

Contrarily, the dependent variable is the variable that the experimenter measures in response to the independent variable. In this experiment, Jason measures the NUMBER OF KERNELS THAT POPPED from using different amounts of oil. Hence, the NUMBER OF KERNELS THAT POPPED is the dependent variable.

Controlled variables or constants are those variables that must be kept constant or unchanged throughout the experiment in order not to influence the findings of the experiment. In this case, the following variables were kept constant for all the groups: TIME FOR POPPING , SAME BRAND OF KERNEL (Pop rite), SAME COOKING TIME (4 mins).

7 0
3 years ago
The amount of CO2 released into the air because of your own energy needs is called
Leni [432]

Answer:

carbon recycling

Explanation:

it is released in respiration

8 0
3 years ago
How much energy does this source provide to a square meter of earth per year
iVinArrow [24]

the answer is 3,190,000 kcals

3 0
4 years ago
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