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Leokris [45]
3 years ago
12

Need answer quick please!!

Biology
1 answer:
Dafna1 [17]3 years ago
5 0

Answer:

D. Parasites take nutrients from another organism's body

Parasites by definition leech off of their hosts by stealing nutrients

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What is the function of meiosis?
Setler [38]
Meiosis is needed for sexual reproduction, here chromosome number is halved, it provides for mixing up of genes.
mitosis is needed for growth, repair, replacement, asexual reproduction.
it maintains same chromosome number
4 0
3 years ago
The initial dose of theophylline for an adult is 0.8 mg/kg/hr for 12 hours. how many ml of an iv solution containing 800 mg per
Bas_tet [7]
If the patient weight is 250 lb and the doses are 0.8mg/kg/hour for 12 hours, then the total amount of theophylline needed would be:
250lb * 0.453592kg/lb* 0.8mg/kg/hr * 12hr= <span>1088.6208mg

If the solution contains 800mg of </span>theophylline for 100ml volume, then the volume needed would be: 1088.62 mg / (800mg/100ml)= 136.07ml
7 0
3 years ago
The paranasal sinuses are lined with a membrane that creates mucus during allergies or the common cold. Presence of mucus and sw
storchak [24]

Answer:

The maxillary sinus, that is, the sinus located in the upper jaw, would be affected.

Explanation:

Sinusitis is a very traditional disease that is associated with headache, discomfort, and increased mucus making.

The causes can be viral or bacterial or even by some inhaled noxa, sinusitis of this type is bilateral, different from sinusitis of dental cause that are usually unilateral.

The paranasal sinuses are the sinuses that pneumatize the head, that is, they generate an internal air current in the bones to be able to heat and disinfect them from those noxas that are inhaled (that is why they are covered by a ciliated mucosa that drags the noxa to the outside and also its structure is pseostratified with mucous cells that secrete mucus enveloping the noxa).

Another function of the paranasal sinuses is to be able to alleviate the weight of the head, since the shell and the bones that remain in the head formation are very heavy, thus generating these cavities filled with air to alleviate the feeling of "heavy head" "When they become inflamed and filled with mucus, they are obliterated or with a reduced space, so the head feels heavier for some people.

The paranasal sinuses are the maxillary sinuses that are in the upper jaw, the sphenoid sinuses that are in the sphenoid, the ethmoid sinuses that are in the ethmoid and the frontal ones that are in the frontal bone that is vulgarly called as the forehead.

5 0
3 years ago
Which of these is a threat to the survival of an ecosystem A.less biomass at higher levels of the food web B. competition among
IrinaK [193]

Answer:

Answer: C) In an ecosystem, prey and predator populations affect each other.

Think of cause and effect: The wolves keep the deer population in check because they hunt them. If the wolf population increases, the deer population goes down. If you reduce the number of wolves than the deer population goes up.

Hope this helps :)

Explanation:

4 0
1 year ago
A number of similar families make up a(n) _<br> O class<br> O order<br> genus<br> species
mojhsa [17]

Answer:

Genus Species

Explanation:

KPCOFGS

K = kingdom. (the smallest level)

P = Phylum (contains kingdom)

C = Class (contains K and P)

O = Order (contains K,P, and C)

F = family (contains K,P,C, and O)

G S = Genus Species (Contains all of the above) the reason that these two are together is because this is how you name organisms scientifically.

5 0
3 years ago
Read 2 more answers
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