Why were the first living things on Earth only anaerobic bacteria?

Cobra venom contains a neurotoxin that prevents the brain from telling the diaphram when to contract. how would this impact the respiration of an individual bit by a cobra?

Which one feature best represents evolutionary differences and relationships between archaea, bacteria, and eukarya?

A sample of food containing one type of a large molecule was treated with a specific digestive enzyme. Nutrient tests performed on the resulting products showed the presence of simple sugars, only.

The energy input into an ecosystem can come from a. sunlight b. chemical compounds C. soil d. A and B

What is the most common eating disorder in both males and females? ?

Cross a homozygous dominant individual for brown hair with an individual who is blond hair. remember the starting are the parental generation. What you are getting with results are the offspring (the F1 generation)

Identical twins look alike because their bodies contain identical

You can spread allergies to another person t/f

A volcanic eruption adds carbon dioxide to the air. This is an example of interactions between the 1) hydrosphere and geosphere 2) atmosphere and geosphere 3) geosphere and biosphere 4) hydrosphere and biosphere

A 16 year old highschool student presents in the ER with a fever, stiff neck, headache and nausea. You order a spinal tap to be performed. Gram staining of the CSF reveals Gram (-) rods under the microscope.