Happy St. Patrick’s day too!
Using the cladogram about fish, the best description of the organism is it has jaws but no bones.
The correct option is (D).
<h3>What is a cladogram?</h3>
Cladograms are diagrams that depict the relationships between different taxonomic groups, or "clades."
Cladograms are made up of species that have similar derived traits.
Cladogram uses lines to make diagrams. And upper line contain the ancestor species.
Thus, option (D) has jaws, but not bones is correct.
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Ferns
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Hornworts, mosses and liverworts do not have vascular tissue. They are considered in the division Byrophyta, none of which contain vascular tissue. Ferns are a step up in complexity in the division Pteridophyta, the first plants which contain vascular tissue. </span>
Bioluminescenct organisms exist in deeper ocean depths because the light is unable to reach them.
In epidemiology, transmission refers to the mechanism by which a pathogen enters the host. A pathogen is a harmful microorganism (e.g., bacteria, viruses) capable of causing illness to a susceptible host.
- In this case, the missing word indicates 'A mode of TRANSMISSION from the source to the host'.
The different types of transmission include:
- Direct contact transmission (e.g., touching, kissing), which triggers the transference of the pathogen to a susceptible host.
- Aerosol transmission (airborne transmission): characterized by the inhalation of small particles (aerosol droplets) exhaled by an infected host.
- Zoonotic transmission: the reservoir is an infected animal.
- Oral transmission: infections caused by direct ingestion of the pathogen.
- Vector-borne transmission: infections transmitted by different animals (i.e., vectors) such as mosquitoes, ticks, fleas, etc.
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