Answer:
There were multiple transitions from water to land.
Explanation:
Protostomes are species whose mouth develops near the blastopore such as mollusks, annelids, and arthropods. Protostomes originated alongside deuterostomes and xenacoelomorphs. Deuterostomes anus forms near the blastopore and mouth form at the other end. These distinct adaptation patterns were observed in living taxas and are believed to evolve in the gaps of phylogenetic pattern during the transition from water to land.
In metazoans phylogeny, such gaps are frequent in protostomes and deuterostomes. The differences in the embryonic development depicts changes induces through transition.
.
Because gas particles are very far from each other so the amount of space between them can easily change therefore doesn’t have a fixed shape and since the particles are always in motion and try to fill there container gas doesn’t have a fixed volume either
Hydrogen is in a state of matter as a gaseous form. (so the answer is gas)
Characteristics
such as
<span><span>
1.
</span>Irritability.
Organisms react to certain stimuli in their habituated environment in order to
survive.</span>
<span><span>
2.
</span>Reproduction.
This is the natural mechanism of living organisms to produce offspring or seeds
for the next generation.</span>
<span><span>
3.
</span>Growth.
Every organisms undergoes the process of development and growth, where they
become for capable in survival.</span>
<span><span>4.
</span>Excretion.
As living organisms utilize the natural resources and undergoes bodily
processes, waste is created and is toxic which is needed to be out of the
system.</span>
<span><span>5.
</span>Movement.
Survival means being able to adapt and move to a certain location where you can
grow and hunt.</span>
<span><span>6.
</span>Respiration.
All organisms –fish, reptiles, mammals, or even algae undergoes cellular
respiration in order to do its functions.</span>
<span><span>
7.
</span>Nutrition.
Living organisms need food and for the plants, make food in order to function. </span>