Toxoplasmosis is a protozoan that is often contracted by humans when they come into contact with contaminated feces from cats or rodents or when they eat undercooked meat that contains toxoplasmosis cysts. This is a form of .

Zoonotic disease

Explanation:

Zoonotic diseases are defined as those diseases and infections naturally transmitted between people and vertebrate animals. There are three classes as follows:

a) endemic zoonotic disease which are present in many places and affect many people and animals;

b) epidemic zoonotic disease which are sporadic in temporal and spatial distribution; and

c) emerging and re-emerging zoonotic disease which are newly appearing in a population or have existed previously but are rapidly increasing in incidence or geographical range. Example of such disease is Toxoplasmosis .

This is a disease that results from infection with the Toxoplasma gondii parasite.

Toxoplasmosis results from infection with a common parasite found in cat or rodent faeces and contaminated food. It can cause serious complications people with weakened immune systems.

Symptoms include

1. muscle pain,

2. headache, all of which can last for weeks.

3. fever

Prevention and Control

Medication can reduce infection severity.

avoiding exposure.

1) gene flow

- it is described as the transfer of genes from one population to another population so that frequency of gene is increased.

-a zebra migrates to join a different herd of zebras.

2) natural selection

- a mechanism of evolutionary change in which individuals with advantageous traits survive and reproduce whereas the others ( those that can not adapt) eliminate from the population.

-competition for sunlight leads to taller trees.

3) mutation

- permanent change in the nucleotide sequence of dna ( genetic material) that could have harmful or useful consequences.

-the dna of a snake changes to make its venom stronger.

4) genetic drift - it is a random phenomenon ( that occurs by chance such as fire) that results in change in the gene frequency in a small population.    

-a grassfire randomly sweeps through a population of buffalo and kills most of the animals.

explanation:

the answer is trees if i'm not mistaken