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AVprozaik [17]
3 years ago
6

Scientists are studying a group of ant colonies in the Arizona desert. Which question about the ants can be answered scientifica

lly?1Does the amount of sunlight in a day affect how much food the ants eat that day?2Would this type of ant colony be more fun to teach about in a classroom than others?3Which picture of the ants would capture the most attention from people reading about the study?4Will this kind of ants live on Earth after another million years passes?
Biology
2 answers:
kkurt [141]3 years ago
7 0
The answer is 1. Does the amount of sunlight in a day
Pepsi [2]3 years ago
4 0

Answer: 1. Does the amount of sunlight in a day affect how much food the ants eat that day?

A scientific study involves the experimentation set up where various variables are selected to know the facts about different natural phenomena occurring in nature. A scientific inquiry can be answered by changing or manipulating independent variables in an experiment and to know it's effects on the dependent variables. The dependent variable can not be changed or manipulated manually. The actual changes occur in the dependent variable due to the independent variables is the outcome of the experimentation process.

The question "1Does the amount of sunlight in a day affect how much food the ants eat that day?" can be answered scientifically because:

In the given situation the amount of sunlight is the independent variable, which can change naturally, the effect of this change can be observed on the amount of food the ants eats that day which is a dependent variable of this study.  

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Which hormone does the sympathetic nervous system release to increase heart rate.
sertanlavr [38]

The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.

<h3>What is a heart rate? </h3>

it is the number of contractions of the heart per minute.

<h3>What are catecholamines?</h3>

These are the neurotransmitters that have a catechol and a side chain that is an amine.

<h3>Which catecholamines are released by the sympathetic nervous system?</h3>

Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.

<h3>Where are these hormones released?</h3>

These hormones are released in the blood.

<h3>How does this hormone increase the heart rate?</h3>
  • "These hormones are released at the neuromuscular junction of the cardiac nerves."
  • "They shorten the repolarization period."
  • This speeds up the rate of depolarization and contraction and thus the heart rate is increased.

To learn more about sympathetic nervous system, hormones and heart rate here,

brainly.com/question/1155838

#SPJ2

8 0
2 years ago
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Phenylketonuria, PKU, is a single-gene recessive human
astraxan [27]

Answer:

1/2

Explanation:

Let's assume that the allele "p" is responsible for PKU in the homozygous state. According to the given information, both the parents are unaffected by the disorder but have an affected child. This means that both the parents carry at least one copy of the recessive allele responsible for the disease. Therefore, the genotype of each of the parents is Pp. A cross between Pp and Pp would produce progeny in following ratio=

Pp x Pp = 1/4 PP: 1/2/ Pp: 1/4 pp

Therefore, the probability that their next child will carry just one recessive allele is 1/2.  

3 0
3 years ago
Any moving object has energy due to its,​
Over [174]

Answer:

force

Explanation:

hope this helps

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On a prairie, the food chains start with plants, which produce food during __________.
Ratling [72]
The process of photosynthesis

4 0
2 years ago
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In this food web, which animal has the role of the tertiary (third) consumer?
bagirrra123 [75]

Explanation:

Owl has the role of the tertiary (third) consumer, in above food web.

8 0
2 years ago
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