The same locus on homologous
Answer:
There are over 30 phyla dedicated to invertebrates. Major invertebrate phyla that you should know include porifera, cnidaria, platyhelminthes, nematoda, mollusca, annelida, arthropoda, and echinodermata
Explanation:
<span>In scientific inquiry, hypothesis that have been tested repeatedly and have not been disproven can be used to develop a scientific theory.
</span>
Correct answer - Relay.
Why? - The signal starts in a receptor which detects a change. Relay neurones carry nerve impulses within the central nervous system. Motor neurones carry nerve impulses away from the central nervous system. The neurone ends in either a muscle or gland, which are effectors.
Population and communications <span />
