Science Biology Test Unit 2

Descripción

Test sobre Science Biology Test Unit 2, creado por jjjohnson2212 el 11/11/2015.
jjjohnson2212
Test por jjjohnson2212, actualizado hace más de 1 año
jjjohnson2212
Creado por jjjohnson2212 hace alrededor de 9 años
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Resumen del Recurso

Pregunta 1

Pregunta
How do we use nitrogen gas?
Respuesta
  • We dig it up from the soil
  • We convert it into nitrates
  • Take nitrates and make it into nitrogen gas so we can use it
  • We can't it's just in the atmosphere

Pregunta 2

Pregunta
When organisms die, their molecules of carbon get returned to the atmosphere by herbivores
Respuesta
  • True
  • False

Pregunta 3

Pregunta
Cells need nitrogen for....?
Respuesta
  • Bones
  • Proteins
  • Cell membrane
  • Photosynthesis

Pregunta 4

Pregunta
In the carbon cycle how do organisms obtain energy?
Respuesta
  • Absorb the nutrients from the ground
  • Break down sugar molecules

Pregunta 5

Pregunta
Ecological Niche is the way organisms occupy their positions in an ecosystem
Respuesta
  • True
  • False

Pregunta 6

Pregunta
Definition of Symbiosis
Respuesta
  • When one organism consumes another organism for food
  • Two or more organisms compete for the same resource
  • Interaction between two different species that live together in close association

Pregunta 7

Pregunta
The maximum number of offspring a species can produce, if resources were unlimited. This is the definition of carrying capacity.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Which is NOT a way people use fossil fuels
Respuesta
  • Using your cell phone
  • Petroleum
  • Charging your phone
  • Using heat

Pregunta 9

Pregunta
Glucose is produced dyring respiration in the carbon cycle?
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Why is energy lost from a food chain as tropic levels increase?
Respuesta
  • Because when animals die/are killed most of their energy is absorbed into the ground
  • The energy goes to heat energy
  • Because energy can't transfer to another organism

Pregunta 11

Pregunta
The solid portion of the earth surface is called
Respuesta
  • Atmosphere
  • Lithosphere
  • Biosphere
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