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bearhunter [10]
3 years ago
7

What is the definition of a density-DEPENDENT factor?

Biology
1 answer:
Elena-2011 [213]3 years ago
4 0

Answer:

In ecology, any force that affects the size of a population of living things in response to the density of the population (the number of individuals per unit area).

Explanation:

i hope that helped im sorry if i didnt:(

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Compare sympathetic division vs parasympathetic division
swat32

Answer;

Parasympathetic nervous system Sympathetic nervous system

Introduction The parasympathetic nervous system is one of the two main divisions of the autonomic nervous system (ANS). Its general function is to control homeostasis and the body's rest-and-digest response. The sympathetic nervous system (SNS) is one of two main divisions of the autonomic nervous system (ANS). Its general action is to mobilize the body's fight-or-flight response.

Function Control the body's response while at rest. Control the body's response during perceived threat.

Originates in Sacral region of spinal cord, medulla, cranial nerves 3, 7, 9, and 10 Thoracic and lumbar regions of spinal cord

Activates response of Rest and digest Fight-or-flight

Neuron Pathways Longer pathways, slower system Very short neurons, faster system

General Body Response Counterbalance; restores body to state of calm. Body speeds up, tenses up, becomes more alert. Functions not critical to survival shut down.

Cardiovascular System (heart rate) Decreases heart rate Increases contraction, heart rate

Pulmonary System (lungs) Bronchial tubes constrict Bronchial tubes dilate

Musculoskeletal System Muscles relax Muscles contract

Pupils Constrict Dilate

Gastrointestinal System Increases stomach movement and secretions Decreases stomach movement and secretions

Salivary Glands Saliva production increases Saliva production decreases

Adrenal Gland No involvement Releases adrenaline

Glycogen to Glucose Conversion No involvement Increases; converts glycogen to glucose for muscle energy

Urinary Response Increase in urinary output Decrease in urinary output

Neurotransmitters neurons are cholinergic: acetylcholine neurons are mostly adrenergic: epinephrine / norepinephrine (acetylcholine)

4 0
3 years ago
Scientists have said that people that are showing no symptoms can still spread the coronavirus for several days. Knowing what yo
Savatey [412]

Answer:

Explanation:

Well a person can be asymptomatic for loads of viruses not just coronavirus. There is no way of knowing if someone is asymptomatic without having a test done. Many asymptomatic people will go on to get a test and then show symptoms a few days or so later.

5 0
3 years ago
Which statement describes a similarity between the skeletal and muscular systems?
nasty-shy [4]

Answer:

D.Both systems control movement

Explanation:

Skeletal protect the organs and hold up the body to move and the muscular system is for controlling movement.

Feedback:I hope this helped you!!
6 0
3 years ago
How does seed formation take place in plant? explain.​
neonofarm [45]

Answer:

Seeds are the result of plant reproduction. ... When pollen lands on the flower's stigma, it germinates and forms a pollen tube, which then quickly grows towards the plant's ovary. Once it finds an ovule, the pollen tube bursts to release sperm cells, which fertilize the ovule and initiate seed formation.

Explanation:

5 0
2 years ago
Which environmental problem is affecting Tuvalu?
Talja [164]
<span>The environmental problem affecting Tuvalu is (B) Climate Change. Its effects can be seen on the change of sea level. Sea level rise, is one of the consequences that made a major threat for Tuvalu. This consequence brought by climate change has a big impact on the islands.</span>
3 0
3 years ago
Read 2 more answers
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