Any organism that lives on or in a host at the expense of that host?

A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host.

1. What is an organism that lives on a host?
2. What is the term for any organism that lives at the expense or harm of another organism?
3. When one organism lives on or in another organism and benefits at the host's expense?
4. Which of the following is an organism that lives on or in another organism and uses that other organism for its nourishment?
5. What are the examples of host?
6. What is an example of a host in biology?
7. What organism that lives in a host organism draws nourishment from a host Some may be very large?
8. Is a host an animal or plant on which or in which another living thing lives?
9. Which of the following are bacteria that grow best in the presence of oxygen?
10. Is virus A parasite?
11. Which of the following is an example of a microorganism that is classified a prokaryotic cell?
12. What is an example of parasitism in the ocean?
13. What is it called when two animals help each other?

What is an organism that lives on a host?

A parasitic relationship is one in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death. The parasite lives on or in the body of the host. A few examples of parasites are tapeworms, fleas, and barnacles.

What is the term for any organism that lives at the expense or harm of another organism?

Answer and Explanation: An organism that lives at the expense of another organism is a parasite. Parasitism is a form of symbiosis, where one organism benefits at the expense of the other.

When one organism lives on or in another organism and benefits at the host's expense?

In parasitism, the organism benefits at the expense of another organism. The organism that benefits from the association is called a parasite whereas the one that does not benefit but rather harmed is called a host. Thus, in parasitism the symbiotic relationship is non-mutual.

Which of the following is an organism that lives on or in another organism and uses that other organism for its nourishment?

A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.”

What are the examples of host?

The definition of host is someone or something that entertains others or invites others in, or the wafer used in Christian communion. An example of host is someone who gives a party. An example of host is a dog that has fleas. An example of host is the cracker used during communion.

What is an example of a host in biology?

Examples of host organisms include, but are not limited to, a cell supplying nutrients to a malicious virus, animals being hosts to intestinal worms, bean plants being hosts to nitrogen-forming bacteria which are helpful, etc..

What organism that lives in a host organism draws nourishment from a host Some may be very large?

Introduction. An organism that lives on or within another organism, called the host, and that gains its sustenance from the host organism is known as a parasite.

Is a host an animal or plant on which or in which another living thing lives?

an organism that lives on or in an organism of another species, known as the host, from the body of which it obtains nutriment.

Which of the following are bacteria that grow best in the presence of oxygen?

Bacteria that require oxygen to grow are called obligate aerobic bacteria. In most cases, these bacteria require oxygen to grow because their methods of energy production and respiration depend on the transfer of electrons to oxygen, which is the final electron acceptor in the electron transport reaction.

Is virus A parasite?

viruses. All viruses are obligate parasites; that is, they lack metabolic machinery of their own to generate energy or to synthesize proteins, so they depend on host cells to carry out these vital functions.

Which of the following is an example of a microorganism that is classified a prokaryotic cell?

Archaea and bacteria are classified as prokaryotes because they lack a cellular nucleus.

What is an example of parasitism in the ocean?

Another harmful relationship is parasitism. ... Examples of common parasites found in the ocean include nematodes, leeches, and barnacles. That's right—though barnacles exist commensally with whales, they are parasites for swimming crabs. A barnacle may root itself within a crab's reproductive system.

What is it called when two animals help each other?

Mutualism describes the ecological interaction between two or more species where each species has a net benefit. Mutualism is a common type of ecological interaction. ... The term mutualism was introduced by Pierre-Joseph van Beneden in his 1876 book Animal Parasites and Messmates to mean "mutual aid among species".