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3 years ago

Which statement best summarizes how classification systems have changed over time?

2 answers:

8 0

The answer is the second option or B, "Classification systems have become more complex to allow for all the discoveries made about organisms."

Classification systems were created with the purpose of classifying living things such as plants, animals, species in general. It gathers lots of information about a species and it includes the spercies name, its genus, family, relatives, order, class, kingdom, among others.

One of the reasons why classification systems have become more complex to allow for all the discoveries made about organisms is because scientists are finding new information about the species or they interpret facts in different ways from how they did at first.

A true fact about that is that in the 1700s, classification systems were based on morphological characteristics of the species or organisim, later, now in the present it changed radically with the DNA tests made to organism. It is providing new information and it kind of forced the system to update.

jeyben [28]3 years ago

5 0

A.
Classification systems have become simpler to allow for all the discoveries made about organisms

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write in about ten lines the methods adopted by the church to dominate social and political life of the people in Europe.

JulijaS [17]

The Catholic Church dominated in Europe for several centuries through a complex political and social system that was based in the religious belief that the Church was a divine institution above every earthly power. The Church worked as a network of churches disseminated across the continent, where the local priests took the confession of the people, from commoners to feudal lords. Hence, the Church knew most of the secrets and feelings of every level of the society, knowledge they used to exercise control. Also, since the Pope was seen as the highest spiritual authority, he named bishops that influenced directly on the kings and princes of the different kingdoms of Europe. Other methods the Church used to control the population was fear of hell, shame, and guiltiness. These feelings were spread through the use of institutionalized torture and persecution of heretics (people who didn't agree with the Chruch), like the Holy Inquisition.

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a large new diamond mine has just opened and the price of diamonds has gone down. since she has studied economics, cecilia decid

Butoxors [25]

The cost of diamonds depends only on the demand. :)

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3 years ago

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In the presence of a tone/light cue, pigeons were trained to press a foot treadle to gain access to food or to avoid footshock.

Kryger [21]

Answer:

the type of reinforcement is a determinant of stimulus control

Explanation:

Appetitive situations are such which the situation that requires to fulfill the body needs. Appetitive situations are mainly controlled by visuals indications or cues. For example, when we are hungry, by seeing food makes us feel more hungry which is increases the effectiveness of food.

And aversive situations are considered as unpleasant stimuli that makes us to change our nature or behavior through positive punishment or negative reinforcement .

Thus this stimuli demonstrates the type of reinforcement which affects the outcome of any stimulus control.

Hence the answer is --

" the type of reinforcement is a determinant of stimulus control "

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The Carson family will purchase three used cars. There are two models of cars available, Model A and Model B, each of which is a

GalinKa [24]

32 different combinations of three cars can the Carsons select if all the cars are to be different colors.

B. 32

Explanation:

As it is given there are four available colours of the car. That means we have 4 cars. $2 \times 4 =8$ . Now choose the first car. The no.of way of choosing the first car is equalled to 8 and imagine the first car Colour is black. Now we have a black car so we have to choose from 6 options apart from black.

Now no.of way of choosing the 2 car = 6 and imagine it is blue. Now we have to choose two colour car, so now we have 4 options to choose from. The no.of choosing the car = 4. Now let's calculate the total arrangement - $8 \times 6 \times 4=192$ . It is the total calculation for three cars.

But we have to know the selection so three cars can also be arranged in 6 ways. So the number of different combinations of three cars can be calculated as 192÷6= 32. This is how the selection is being done.

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