The Earth was first considered habitable when we discovered that it was Microbial organisms that started the process. I would go with D.
2. detritivores are decomposes because they consume other material to break it down.
3. need to see the image on p.591 to answer but a producer is a type of plant that supplies energy to a first level consumer, a detritivore would be a type of fungi that is pictured because fungi break down materials.
4. the first box is mutualism. second box is commensalism. third box is parasitism.
When climbing a mountain, we can observe transitions in biological communities that are analogous to the changes in biomes at different latitudes.
Answer: The correct answer is c. Bruising or rigidness of the abdomen.
Certain sudden illness can be related to chronic diseases of heart and lung infection.
Some of the common symptoms of sudden illness include dizziness, drowsiness, and unconsciousness. Signals of stroke or brain attack or cerebrovascular attack, shock or heart attack can occur. There can be blurred vision, sweating, nausea or vomiting, seizures, and diarrhea.
There is no symptom of bruising or rigidness of the abdomen in case of sudden common illness mentioned here.