Answer:
The esophagus is a long tube that connects the mouth to the stomach
Answer:
Lophotrochozoans (it is a protostome)
Explanation:
Lophotrochozoa is a group (clade) of protostome animals, i.e. animals that undergo a developmental pattern in which the blastopore develops into the mouth. Lophotrochozoa clade includes bryozoans, annelids, molluscs, brachiopods, and platyhelminthes. Most lophotrochozoans have either a lophophore or trochophore larvae during the planktonic stage. A trochophore larva is a marine planktotrophic larva with several bands of cilia that form the locomotory organ (i.e., the prototroch), which is only found within the Lophotrochozoans.
They form memory cells in which those cells remember the same pathogen for faster antibody production, in aid of future infections.
The most responsive of the three different types of cones to various light wavelengths. When light is present, a cone may become entirely depolarized if the sunlight is of a wavelength that is not optimal.
<h3>What do
the eye's rods and cones do?</h3>
Rods are in charge of seeing in dimly lit environments (scotopic vision). They have poor spatial acuity and do not integrate color vision. Cones are responsible for color vision, high spatial acuity, and activity under higher light levels (photopic vision).
<h3>In the eye, how many rods are there?</h3>
The total number of rods inside the human retina (91 million) is significantly higher than the total number of cones, despite the fact human perception of average daytime ambient light is dominated by cone-mediated vision (roughly 4.5 million). As a result, over the majority of the retina, rod density is substantially higher than cone density.
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