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Mandarinka [93]
3 years ago
7

The major difference between angiosperms and gymnosperms comes from the _____.

Biology
1 answer:
kumpel [21]3 years ago
4 0

Answer:

presence or absence of a protective covering over the ovule

Explanation:

In angiosperms, seeds develop from ovules and are enclosed in the ovary. So, their is the presence of protective covering making the seeds enclosed.

On the other hand, gymnosperms have seeds that are borne on cones, so they are naked due to the absence of any protective covering over the ovule.

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HOMER NOTICES HIS SHOWER IS COVERED IN GREEN SLIME. hI8S FRIEND BARNEY TELLS HIM COCONUT JUICE WILL GET RID OF THE SLIME. HOMER
Orlov [11]

Answer:

INDEPENDENT VARIABLE: COCONUT JUICE

DEPENDENT VARIABLE: APPEARANCE OF GREEN SLIME

CONTROL GROUP: THE SIDE OF THE SHOWER HE SPRAYED WITH WATER

CONSTANT: SAME TIME OF MEASUREMENT, SAME SHOWER

Explanation:

- Independent variable is the variable that is changed or manipulated by an experimenter. In this experiment, Homer sprays a side of his shower with COCONUT JUICE and the other side with water. This means that the independent variable is the COCONUT JUICE.

- Dependent variable is the variable that responds to the independent variable. It is the variable that is measured by the experimenter. In this experiment, the dependent variable is the APPEARANCE OF GREEN SLIME on the shower.

- Control group is the group in an experiment that does not receive the experimental treatment (coconut juice). This means that the control group of this experiment is the SIDE OF THE SHOWER HE SPRAYED WITH WATER.

- Constants or controlled variable are the variables in an experiment that are kept unchanged throughout the experiment. In this case, the constant is SAME TIME OF MEASUREMENT, SAME SHOWER.

6 0
3 years ago
A __________ is a crack in the Earth's crust typically associated with, or form, the boundaries between Earth's tectonic plates.
aalyn [17]

Answer:

Fault

Actually, faults are fractures in Earth's crust where rocks on either side of the crack have slid past each other. Sometimes the cracks are tiny, as thin as hair, with barely noticeable movement between the rock layers

Explanation:

6 0
3 years ago
Read 2 more answers
What is meant by the statement ""enzymes are biological catalysts""?.
Lesechka [4]

Answer:

Enzymes speed up the chemical reactions in living cells.

Explanation:

An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.

8 0
2 years ago
How do you calculate the velocity of the boat relative to the shore
Dvinal [7]

Answer:

Relative velocity simply means velocity relative to a certain observe point, in this case, the river shore.

This is a type of complex movement; a boat is moving with a certain velocity, let's say 8 m/s. However, the river this boat moves on also has its velocity, let's say 2 m/s. Since the shore isn't moving, the velocity of the boat relative to the shore will be simple resultant velocity of the boat's and the river's velocities.

Let's illustrate this with two examples:

1) if the boat is moving downstream both are moving in the same direction, so the resultant will be 8 m/s + 2 m/s = 10 m/s.

So, any spectator looking at the boat from the shore will think its velocity is 10 m/s, when in reality it's 8 m/s.

2) if the boat is moving upstream, these two velocities have opposite directions, so the resultant will be 8 - 2 = 6 m/s

So, as a short summary, relative speed is an object's speed in regard to another chosen referent point.

4 0
3 years ago
4. The sequence of events that are involved when a neuron communicates are BEST described as:
PSYCHO15rus [73]

Answer:

C. axon terminals to the cell body and then down the dendrites to the synapse.o dendrites to the cell body D. dendrites to the cell body and then along the axon to the axon terminals and the synapse. 

Explanation:

hope this helped!

4 0
2 years ago
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