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Art [367]
3 years ago
8

Which plant group is one of the oldest on Earth? daisies ferns sequoia trees orange trees

Biology
2 answers:
patriot [66]3 years ago
6 0

Answer:

Ferns are one of the oldest plant groups. Moss is first though.

Explanation:

Natali5045456 [20]3 years ago
3 0

Answer:

B: FERNS

Explanation:

I took the quiz on edgenuity

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Why did the Spanish bring enslaved people from West Africa to New Spain
IceJOKER [234]

Answer:

i don't know

Explanation:

I'm just trying to get points

3 0
3 years ago
The results of genetic crosses derived from Punnet squares assume that each gamete contains one allele for each trait, which com
Gnom [1K]

Answer:

Independent assortment

Explanation:

The law of independent assortment says that genes for different traits or characteristics assort independently from each other during gamete formation. So each contrasting character's pair assort independently and do not show any association with the pair of other characters.

So after gamete formation collectively the gametes have all the possible combinations of alleles because all the genes are assorted independently in gametes.

This independent assortment of traits leads to some new combination of characteristics in the offspring. Therefore the correct answer is independent assortment.

4 0
3 years ago
What makes female bees unique?
MrRissso [65]

Answer:

the correct answer is b

4 0
3 years ago
Read 2 more answers
Where are the five places beavers can usually be found (bodies of water)
german

Answer:

They live in or around freshwater ponds, lakes, rivers, marshes and swamps.

Explanation:

5 0
3 years ago
Read 2 more answers
A patient comes to you with a "PUS" sample and asks you to isolate & identify the Staphylococcus aureus form this sample the
Irina-Kira [14]

Answer: Staphylococcus aureus can be isolated from the pus sample through the following steps:

--> Step 1: Describe the appearance of the specimen

--> Step 2: Examine the specimen microscopically

--> Step 3: Culture and report your observations.

--> Step 4: Biochemical testing

Explanation: Staphylococcus aureus are gram positive cocci bacteria that can be isolated from pus samples.Pus samples, which may come from wounds, abscess, burns or sinuses, are the type of samples which do not contain microorganisms and should not contain contaminants providing an aseptic collection technique and sterile container are used.

Staphylococcus aureus can be isolated from the pus sample through the following steps:

--> Step 1: White, yellow, brown, red, or black granules of varying size, shape, and consistency may be found in pus draining from

sinuses while describing the appearance of the pus sample.

--> Step 2: Here the specimen is examined microscopically after being stained with a staining technique called Gram staining. This step is done before culture to know the type of medium to use after gram positive cocci is microscopically seen.

--> Step 3: there are different cultures media that can be used to inoculate and culture a pus specimen. Since we are to isolate staphylococcus aureus, a selective and differential media known as Mannitol salt agar (MSA) is used. The presence of yellow colonies with yellow zone after incubation at 37°C indicate the presence of Staphylococcus aureus or species. There for the last confirmation test known as biochemical test is done.

--> Biochemical test: This is a chemical test that is done to identify a particular bacteria. For staphylococcus aureus, COAGULASE test is used to identify staphylococcus aureus which produces COAGULASE enzyme. A positive COAGULASE test is an indication of the presence of staphylococcus aureus as the bacterium isolate of the specimen.

7 0
3 years ago
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