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Alenkinab [10]
3 years ago
12

Can you please answer the question shown in this picture?

Biology
1 answer:
Vesna [10]3 years ago
6 0

Answer:

1) NH3->Product

2)  NH4->Reactant

Explanation:

Reactants are the substances in with you start the chemical reaction with (before the arrow)

Products are the result (after the arrow)

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PLEASE HELP! WILL GIVE BRAINLIEST AND POINTS!
natulia [17]

Answer:

A. Lancelet

B. All chordates

Explanation:

A. Dorsal nerve chord is the only <u>unique feature</u> among all members of <u>phylum chordata</u> (mainly found in subphylum Vertebrata). In the given list, only lacelet is the Chordate whereas <u>snail belongs to phylum Mollusca</u>, <u>grasshopper belongs to Arthropda</u>, and <u>jellyfish belongs to Cnidaria</u>. Dorsal nerve cord runs along the length of organism's body.

B. <u>Gill slits</u> are <u>opening structures</u> to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.

7 0
3 years ago
When the comb jelly, Mnemiopsis leidyi, was introduced into the Black Sea, its population exploded to 500 comb jellies per cubic
nikitadnepr [17]

The answer is invasive species.


Invasive species are species that are not native to specific ecosystem, but they have a capability to spread widely through the ecosystem, This way they can threaten native species of the ecosystem or cause environmental harm. 

<span>After being introduced into the Black Sea, they greatly affect local ecosystem. In the new area, they have no natural predators and are able to spread. If they spread beyond the area they are introduced, they become invasive species which can overgrow native biotopes and are a great threat to the local biodiversity. This could lead to the extinction of some native species.</span>

7 0
3 years ago
Why is the axon of a ganglionic neuron called a postganglionic fiber?
ivolga24 [154]

Away from the ganglion The axon of a ganglionic neuron is called a postganglionic fiber because it carries impulses. an accumulation of extracellular fibrillar proteins and abnormal dendrites and axons.  A “ganglion” is essentially a living relay. The inputs are “pre-ganglionic” and the outputs are “post-gangionic.” Simple.

7 0
2 years ago
What did Galileo think the bulges on either side of Saturn were cause by?
joja [24]
He thought that they were moons
but it was actually the rings of the planet
8 0
3 years ago
How are hypothesis tested ?
neonofarm [45]

In most cases, one uses tests whose size is equal to the significance level.

i would say by collecting data


4 0
3 years ago
Read 2 more answers
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