Tutor profile: Jasmine M.

Which of the following is not used as an indicator of water quality? 1. Temperature and turbidity (density of suspended particles in water). 2. PH and nutrient concentrations, dissolved oxygen concentration. 3. Nutrient concentrations, dissolved oxygen concentration. 4. Presence of harmful microorganisms and species diversity. 5. Presence of healthy invasive species if presence of information on native species is available.

5. Presence of healthy invasive species if presence of information on native species is available. The basic indicators of water quality are: Dissolved oxygen CO2, pH, alkalinity, hardness Dissolved and particulate organic matter Total solids, suspended inorganic particles, and turbidity Nitrogen Phosphorous Sediment quality (especially Redox Potential) Temperature

A triangle has a perimeter of 90 cm. The lengths of the three sides are in the ratio 5:12:13. What is the length of the shortest side?

15cm

What is taxonomic rank and what do animal Latin names mean?

Taxonomic means a group of plants or animals as taxon derives from the word group. The name of an animal in Latin is a list of its scientific classification of the plant or animal. The names are given based on which group the animal belongs to go in this order: domain, kingdom, phylum, class, order, family, genus, and species. For example a 3 Toed Sloth, B. variegatus: Kingdom: Animalia (Multicellular eukaryotic organisms) Phylum: Chordata ( Animals that possessing a notochord during their development) Class: Mammalia (Nourish their young with milk from their mammary glands) Order: Pilosa (Mammals that have Placentia) Family: Bradypodidae (two or three-toed sloths that don't have incisor or canine teeth) Genus: Bradypus (Bradypodida possessing 3 toes) Species: B. variegatus (b stands for Bradypus and variegatus means it is found in South and Central America