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Semester 1 Review

Total questions: 18

Worksheet time: 13mins

Name
Class
Date
1.

Which is an example of a producer? ¿Cuál es un ejemplo de un productor?

a)
Rabbit
b)
Corn
c)
Deer
d)
Wolf
2.

The top of the food chain is likely to be a...
Es probable que la cima de la cadena alimentaria sea...

a)
omnivore
b)
herbivore
c)
carnivore
d)
none of these
3.

How is a food web different from a food chain?
¿En qué se diferencia una red alimentaria de una cadena alimentaria?

a)
It shows a more balanced ecosystem
b)
It shows how organisms can get food from various sources
c)
It includes all of the organisms and what they eat
d)
All of the above
4.

Which cycle is most directly affected by the burning of fossil fuels?
¿Qué ciclo se ve más directamente afectado por la quema de combustibles fósiles?

a)
nitrogen
b)
carbon-oxygen
c)
water
d)
phosphorus
5.

How do organisms survive natural selection?
¿Cómo sobreviven los organismos a la selección natural?

a)
adapt and reproduce
b)
do not adapt to environment
c)
migrate to a new area
d)
destroy other organisms' habitats
6.

Divergent evolution is...
La evolución divergente es...

a)
organisms that adapt to become more alike
b)
organisms that do not adapt and die off
c)
organisms that start from a common ancestor and adapt to become more different
d)
organisms that migrate to new areas
7.

Which structures are found in organisms that came from a common ancestor?
¿Qué estructuras se encuentran en organismos que provienen de un ancestro común?

a)
homologous
b)
analogous
c)
selective
d)
convergent
8.

This is an energy pyramid of a desert ecosystem. Which food web accurately represents the ecosystem in the pyramid?
Esta es una pirámide energética de un ecosistema desértico. ¿Qué red trófica representa con precisión el ecosistema de la pirámide?

a)

b)

c)

d)

9.

What would happen if the population of the bird species shown in the ecosystem in Figure 4-1 were to suddenly decrease?
¿Qué pasaría si la población de las especies de aves que se muestran en el ecosistema de la Figura 4-1 disminuyera repentinamente?

a)

The grass and fish would compete for resources

b)

The fish population would increase

c)

The grass population would increase

d)

The fish would occupy the bird's niche

10.

The process of seizing nitrogen and converting it into a usable form for plants is defined as:
El proceso de capturar nitrógeno y convertirlo en una forma utilizable para las plantas se define como:

a)

Denitrification

b)

Eutrophication

c)

Nitrogen fixation

d)

Ammoniafication

11.

Which answer choice best describes a community?
¿Qué opción de respuesta describe mejor una comunidad?

a)

Praying mantises caring for their young

b)

Three-spined sticklebacks living in estuaries

c)

Different species of lizards occupying the same niche in a desert

d)

Roosting mother bats recognizing their offspring

12.

Fish?
¿Pez?

a)

Biotic (living)

b)

Abiotic (non-living)

13.

Air?
¿Aire?

a)

Biotic (living)

b)

Abiotic (non-living)

14.

What two reactants of photosynthesis are used for the light dependent reactions?
¿Qué dos reactivos de la fotosíntesis se utilizan para las reacciones dependientes de la luz?

a)

carbon dioxide, water

b)

water, sunlight

c)

carbon dioxide, sunlight

d)

glucose, sunlight

15.

Stage 1 of cellular respiration is
La etapa 1 de la respiración celular es

a)
glycolysis
b)
Kreb's cycle
c)
electron transport
16.

Stage 2 of cellular respiration is
La etapa 2 de la respiración celular es

a)
Kreb's cycle
b)
glycolysis
c)
electron transport
17.

Cellular respiration occurs in:
La respiración celular ocurre en:

a)
all are correct
b)
plant cells
c)
animal cells
d)
yeast
18.

This is an organelle that is found in plant cells. Which organelle does this diagram represent?
Este es un orgánulo que se encuentra en las células vegetales. ¿Qué orgánulo representa este diagrama?

a)

chloroplast

b)

mitochondria

c)

Kreb's cycle

d)

Calvin cycle