What does photosynthetic biomass mean

Analysis of the second swab has confirmed that the causative organism is Streptococcus pyogenes, a gram-positive organism. Imagine that you are the technician looking at the Gram stain from Shelly's culture.

When has an organism evolved enough to be called a new species?

Which of the following substances is a weak base? ... lemon juice, vinegar, sea water, or pure water

Prokaryotes contain all all of the following except ___. A. molecules floating inside B. a nucleus C. a cell membrane D. DNA

The part of the respiratory system with the largest internal surface area is the

If an object with a mass of 100 kg on earth is taken to a planet that has more gravity, how will this affect the object's mass and weight?

Lamarck's mechanism of change can be called

What is carrying capacity and what does it mean for ecosystems?

Why was the evolution of a coelom a critically important innovation for animals? a) The coelom can act as a hydrostatic skeleton. b) The coelom gives rise to a complex nervous system. c) The coelom made it possible for animals to colonize land.

Marine mammals, with a few exceptions, are a. oviparous b. ovoviviparous c. viviparous