Before a chemical reaction can start, energy must be absorbed by the reactants. the amount that must be absorbed to start the reaction is called the blank.

What are the 2 types of data that collected from scientific experiments?

Describe the developments That lead to cell theory

Which of the following would be the least reliable source of information

If we chew rice or bread for a few minutes, it starts tasting sweet why

Welche Besonderheiten haben die Fortpflanzungszellen?

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