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dusya [7]
3 years ago
5

BRAINLIESTT List and define four types of scientific models.

Biology
1 answer:
nataly862011 [7]3 years ago
3 0

Answer:

1. Physical models: smaller and simpler representations of the thing being studied. Eg. A globe or a map is a physical model of a portion or all of Earth.

2. Conceptual models: ties together many ideas to explain a phenomenon or event.

3. Mathematical models: sets of equations that take into account many factors to represent a phenomenon. Mathematical models are often done on computers.

4.  Mental models: personal and internal representations of external reality that people use to interact with the world around them. They are constructed by individuals based on their unique life experiences, perceptions, and understandings of the world.

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Which could be a pathway of food through an ecosystem?​
algol13

Answer:

Sun > Grass > Deer > Lion

Explanation:

The sun begins a food chain because its light is needed for a plant, in this case grass, to grow.

An animal that eats grass is the deer, who is a primary consumer.

An animal that eats deer is the lion, who is a tertiary consumer in this case.

The lion has no natural predator, and thus is at the top of this food chain.

This ecosystem can be one found where grass, deer and lions exist, for example, the deciduous forest in the eastern United States.

6 0
3 years ago
Excitatory postsynaptic potentials (EPSPs) produced nearly simultaneously by different synapses on the same postsynaptic neuron
lakkis [162]

Answer: summation

Explanation:

The process which determine if an action potential will be generated or not depends on the combined effects of the signal inputs from multiple sources of  synapse or from the repeated signals from the same synapse.  

If the input signals reach the threshold voltage, action potential will be generated. (all –or –none principle).Therefore, this  process is a determinant of  the likelihood of action potential generation  and it is called summation.

Summation is the ability to integrate multiple PSPs at multiple synapses.it is  the process that determine if an action potential will be generated by combined effects of inhibitory or excitatory  signals.

Based on the pathways and voulme of applied stimuli in the presynaptic neuron;

The signals can be temporal summation ( consecutive  signals  produced from the same  synapse)where action potential of high frequency in the PSN generated action potential in the post synaptic neuron, which summate with one another. Or Spatial where signals inputs are from multiple presynaptic cells.

3 0
3 years ago
A population of cheetahs has a birth rate of 5 and a death rate of 15. Immigration is 2, and emigration is 4. What is its popula
kirill115 [55]
Since the death rate is higher than the birth rate we can assume that it will be negative. 5-15 is -10 for their life. immigration is also lower than the emigration. 2-4 is -2. adding -2 and -10 will give us -12, hope this helps.
5 0
3 years ago
Read 2 more answers
Melvin calvin and his colleagues noted that when 14co2 was added to algal cells, a single compound was radiolabeled within 5 sec
vovikov84 [41]
<span> 3-phosphoglycerate is a compound that produced.</span>
4 0
3 years ago
Which school of psychology would agree with the statement that "psychology should stress the study of how behavior and mental pr
Alex17521 [72]

Answer:

Functionalism.

Explanation:

Functionalism is a type of theory or a type of school of psychology that mainly focus on human consciousness and there way of adaptation. This method is relevant for the consciousness study.

Functionalism agrees that the psychology focus on the study of mental and behavior process. This functionalism helps the organism to adapt better to their environment.

Thus, the answer is functionalism.

7 0
3 years ago
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