1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
VLD [36.1K]
3 years ago
12

Giardia exists in two forms--cysts and trophozoites. While both are required for the life cycle of Giardia, only the cyst is con

sidered infectious. Why is the cyst considered the infectious form of Giardia
Biology
1 answer:
hram777 [196]3 years ago
6 0

Answer:

Because the trophozoites are unable to survive outside a host.

Explanation:

The term infectious is used for a disease or microorganism that can be transmitted from one organism to the other organism through the environment. If we look at the two forms of Giardia, we find that out of the two forms viz. cysts and trophozoites, only the cysts of Giardia have the ability to remain alive in the environment outside the host and thus they are able to be transmitted to the other organisms. On the other hand trophozoites are not able to survive in outside environment so there is no chance of transmission of trophozoites.

You might be interested in
A population of zebras experienced ten births, six deaths to predation, three deaths to disease, three individuals joining the p
bogdanovich [222]

Answer:

A,  It is Increasing

Explanation:

I just took the test

4 0
2 years ago
Read 2 more answers
What are differences about Early earth and Modern earth?
aleksklad [387]
Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.
5 0
3 years ago
The 911 dispatchers who are specially trained to give prearrival instructions tocallers, such as how to control bleeding or how
svetlana [45]

Answer:

Correct answer is ''c'' Emergency Medical Dispatchers

Explanation:

A 911 emergency medical dispatcher is a professional communicator who is trained to gather information related to medical emergencies, they must provide assistance and instructions by voice, prior to the arrival of the (EMS) regularly they use a series of key questions, pre-arrival instructions, and dispatch priorities to be used in the processing of EMS calls.

6 0
3 years ago
9. Nulceus
Anettt [7]

Answer:

1. Both2. Both

Hope this helps!

6 0
3 years ago
What happened when you adjusted the diaphragm on the microscope?
andre [41]

Answer:

answer; if u adjust the diagram on the chart  it should be a little bit narrow and small but exact the diagram consist different altitudes and scopes.  use

Explanation:

why well because think about it your question is what happens when the diagram on the microscope adjusts to easily.

3 0
3 years ago
Other questions:
  • The chief force pushing water and solutes out of the blood across the filtration membrane is A) the ionic electrochemical gradie
    9·1 answer
  • Which of the following describes an interaction between the endocrine system and the excretory system?
    7·2 answers
  • Sam looked at an image of an embryo that is a compact mass of cells. Which is the term for this embryo? A)gastrula B)zygote C)mo
    10·2 answers
  • If a cell skipped metaphase during mitosis, how might this affect the two daughter cells?
    9·1 answer
  • Which of the following is a sac fungus?
    14·2 answers
  • Which of the following BEST describes varicose veins? A. Veins cannot prevent the backflow of blood. B. Veins lose the ability t
    5·1 answer
  • How are contractile vacuoles different from other vacuoles
    7·1 answer
  • 1pt Which of the following life processes is not necessary for an individual organism to survive, but is necessary for the survi
    15·1 answer
  • Where do the thickest deposits of terrigenous sediment typically form?
    15·1 answer
  • Explain why there are fewer organisms at higher trophic levels.​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!