Answer:
1. It was a control variable
2. Type of insulation
3. Temperature
4. Plastic lids <em>or </em>Water <em>or </em>Half Full <em>or </em>Direct Sunlight
A because I learned that last year in science
The answer to this question would be soft agar plate.
The semisolid medium tube is mostly used for containing the specimen. It is hard to examine semisolid medium since the bacteria can grow in the upper part, middle part or even the lower part of the medium. In agar plate, the bacteria always growth in the upper part so it is easier to count the bacteria.
But semisolid can give some more information in determining whether the bacteria is anaerobic by looking for bubble inside the medium. Anaerobic bacteria can do fermentation that will produce air.
Sickle cell disease is a hereditary disease seen most often among people of African ancestry. Caused by mutations in one of the genes that encode the hemoglobin protein, the disease is inherited as an autosomal recessive trait.
The lateral line system provides tactile sense organs ( that is from cyclostome fishes to amphibians or the aquatic vertebrates) with a sense of distant touch, enabling these animals to sense objects that reflect pressure waves and low-frequency vibration. This system made up of multiple of neuromasts.