A) energy or heat is correct
Unfortunately this question is incomplete as it does not provide any choices. However, there are certain ecological factors that can cause a population of mice to decrease quickly. One is an increase in predation. Many carnivorous animals prey on mice, including birds of prey, foxes and various other predacious mammals, as mice are small and high in number. This means a lot of mice are removed from the population through predation. Any increase in predator pressure could quickly disturb the balance in the mice population. Another factor is a disease. Some diseases can seriously deplete populations of animals, with the remaining hardier individuals developing immunity.
The correct answer for the question that is being presented above is this one:
Below is the arranged match of the items of the sunspot cycle.
Solar Maximum
(1) Occurs about 11 years after a solar maximum (on average)
(2) solar flares are most common
(3) auroras are most likely in Earth's skies
(4) orbiting satellites are most at risk
(5) sunspots are most numerous on the Sun
Solar Minimum:
<span>(1) Occurs about 5 to 6 years after a solar maximum (on average)</span>
Answer:
c) Contaminated food
Explanation:
Protozoans are single-celled organisms that could be either free-living or parasitic. Free-living forms could inhabit in the soil, moss, and even in aquatic environments. On the other hand, parasitic protozoans need a host to develop and reproduce.
A protozoan gastrointestinal infection could be <u>caused by the ingestion of cysts through contaminated food</u>. For instance, giardiasis could be spread through the ingestion of contaminated food or water or directly from person to person. Amoebiasis is also an example of a gastrointestinal infection caused by the protozoan <em>Entamoeba histolytica, </em>which occurs through the ingestion of food that is contaminated with animals' feces, this occurs especially in developing countries.
