Answer:
A. Chelicerates are a group of arthropods
E. Sea urchins are a group of echinoderms
B. Gastropods are a group of mollusks
Explanation:
Chelicerates are primitive arthropods having 6 pairs of appendages. 1 oral appendage used for feeding and lack actual mouth parts for chewing up "suck up predigested food". Cephalothorax is the largest and Abdomen contains gills.
Sea urchins are a group of echinoderms as they have spin skin , all marine and found in the bottom of the sea.
Gastropods are the largest and most varied group of molluscs. Gastropod means stomach footed, a typical gastropod is a coiled mass of organs enclosed in a dorsal shell, which rests on the foot having a head ans sensory structures on head and having an operculum.
Answer: <u>The exocrine glands hormones could be ions, enzymes mucins, water or chemical compounds that aid in the normal functioning in the human body. The glands that are exocrine are multicellular or unicellular, based on the degree of complexity of the glands as well as their function. Some examples of these are the liver and the Salivary glands. </u><em>Endocrine glands are referred to as hormones. are released by cells in an interstitial liquid. Then, they disperse into the bloodstream, without having to pass through the canal system. The endocrine glands are responsible for monitoring the long-term activity of the body and affect the general metabolism and development in the human body. Some examples of these are the Pituitary Gland and the Adrenal Gland.</em>
Hope this helps!
The awnser is b there is a mutation in the gene
<span>The correct answer is b. The open ocean. The definition of an island ecosystem does not have anything to do with water, but simply refers to an ecosystem that exists as a microcosm within a far larger, separate ecosystem. The ocean has lots of separate island ecosystems within it, but it itself cannot be referred to as one.</span>
