Quitar anuncios

Hemos detectado que no tienes habilitado Javascript en tu navegador. La naturaleza dinámica de nuestro sitio requiere que Javascript esté habilitado para un funcionamiento adecuado. Por favor lee nuestros términos y condiciones para más información.

Test por Jeffrey Piggott, creado hace más de 1 año

Quiz for 0654 Coordinated Sciences on the impact of humans on natural ecosystems.

1015

	Creado por Jeffrey Piggott hace más de 7 años

Cerrar

0654 B13 Impacts of Humans on Ecosystems Quiz

["https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855183/desktop_ebd90d26-07de-4230-a6e7-1f1237597b66.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855185/desktop_a37e5529-38b0-4bf9-a1fc-cdc62fd57f05.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855188/desktop_afb83707-f912-46a3-bb6f-b9be0f9fb754.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855194/desktop_bed86242-7db5-43d5-ae13-6dc2b0aed757.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855215/desktop_4b50f76f-a846-496c-8f64-a6feafdb8679.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855223/desktop_36a55b69-e3b6-476a-873b-260bab0a46b9.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855237/desktop_31708757-d836-440a-ac1d-69273a3ba69e.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855285/desktop_96ac7227-7da9-4577-b535-6f3b8aaf6845.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18856283/desktop_8dd32b90-389d-4e41-b5b2-9ff5e70bde29.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18856315/desktop_d4f43513-7159-4699-a210-9bfe3a836ba0.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18856332/desktop_1a8d25c4-4bec-49ba-87bf-43556e4ad42e.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18856608/desktop_5fe7ed4b-522a-4744-a059-cb9260b508aa.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/24954134/desktop_17635f50-927a-43f3-9d96-1385b65169c3.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/24955323/desktop_ef131618-6e58-4364-b1f2-024680af0c07.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/24955433/desktop_e4d8a1b0-b7ac-4234-a614-cca75058f170.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/24955896/desktop_dadc773b-6042-4d49-bbeb-4c4415f461b4.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855244/desktop_0ca33522-bc23-46f5-900b-6b31f855a6a7.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855246/desktop_5b86ce7a-88a2-470c-a4e7-0afbec82a03c.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855247/desktop_ee6d14c0-4052-44ba-87b7-d23e1149136b.png","https://examtimeassets.s3.amazonaws.com/uploads/media/image/18855249/desktop_5a1da2f4-2403-4bbf-8883-b75250a21169.png"]

Quiz for 0654 Coordinated Sciences on the impact of humans on natural ecosystems.

0654 B13 Impacts of Humans on Ecosystems Quiz

0654 B13 Impacts of Humans on Ecosystems Quiz

Pregunta 1 de 30

The diagram represents the carbon cycle. Which process is represented by arrow X?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 2 de 30

The graph shows the increase in the human population of the world since 1630. What was the longest time taken for the population to double?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 3 de 30

The graphs show the number of carnivores in a habitat over a period of time. At time X the herbivores in their food chain are removed from the habitat. Which graph shows the effect of this on the number of carnivores?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 4 de 30

The diagram shows the positions of four farms and the concentrations of nitrate at different points in a river. Which farm is likely to have been using too much fertiliser on its land?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 5 de 30

The table shows some information about two closely related species of sea bird. Sewage pollution at the mouth of a river destroys its fish stocks. What is likely to happen to local populations of these birds?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 6 de 30

Three human activities are listed. 1 burning fossil fuels 2 deforestation 3 overusing fertilisers Which activities can cause the change shown in the graph?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 7 de 30

What is reduced after deforestation?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 8 de 30

The diagram shows four positions on a river where water samples were taken. Which graph shows oxygen concentrations in the river?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 9 de 30

A large amount of herbicide is applied to a field. Heavy rainfall carries much of it into a nearby lake. What will be the effect of this on the lake?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 10 de 30

The table shows the amount of carbon dioxide in the atmosphere in three different years. What is the most likely cause of this change?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 11 de 30

Which two gases both contribute to global warming?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 12 de 30

Over-use of fertilisers on farmland causes the chemicals in the fertilisers to be washed into ponds and lakes. This causes eutrophication resulting in the following events. 1 algae grow 2 fish die 3 bacteria grow 4 oxygen decreases What is the correct sequence of these events?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 13 de 30

The concentration of a pesticide in the tissues of the organisms in the following food chain was measured. Which bar on the chart represents the large fish?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 14 de 30

The diagram shows how sewage is treated. Why is air bubbled through the aeration tank?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 15 de 30

Three human activities are listed. 1 burning fossil fuels 2 deforestation 3 overusing fertilisers Which activities can cause the change shown in the graph?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 16 de 30

What is a reason for conserving plant species?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 17 de 30

What is reduced after deforestation?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 18 de 30

The diagram shows four positions on a river where water samples were taken. Which graph shows oxygen concentrations in the river?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 19 de 30

Which process may result in eutrophication in a lake?

Selecciona una de las siguientes respuestas posibles:

Explicación

Pregunta 20 de 30

The diagram represents the carbon cycle.

Which process is represented by arrow X?

The graph shows the increase in the human population of the world since 1630.

What was the longest time taken for the population to double?

The graphs show the number of carnivores in a habitat over a period of time.
At time X the herbivores in their food chain are removed from the habitat.

Which graph shows the effect of this on the number of carnivores?

The diagram shows the positions of four farms and the concentrations of nitrate at different points in a river.

Which farm is likely to have been using too much fertiliser on its land?

The table shows some information about two closely related species of sea bird.
Sewage pollution at the mouth of a river destroys its fish stocks.

What is likely to happen to local populations of these birds?

Three human activities are listed.
1 burning fossil fuels
2 deforestation
3 overusing fertilisers

Which activities can cause the change shown in the graph?

The diagram shows four positions on a river where water samples were taken.

Which graph shows oxygen concentrations in the river?

A large amount of herbicide is applied to a field. Heavy rainfall carries much of it into a nearby lake.

What will be the effect of this on the lake?

The table shows the amount of carbon dioxide in the atmosphere in three different years.

What is the most likely cause of this change?

Over-use of fertilisers on farmland causes the chemicals in the fertilisers to be washed into ponds and lakes.
This causes eutrophication resulting in the following events.
1 algae grow
2 fish die
3 bacteria grow
4 oxygen decreases

What is the correct sequence of these events?

The concentration of a pesticide in the tissues of the organisms in the following food chain was measured.

Which bar on the chart represents the large fish?

The diagram shows how sewage is treated.

Why is air bubbled through the aeration tank?

Three human activities are listed.
1 burning fossil fuels
2 deforestation
3 overusing fertilisers

Which activities can cause the change shown in the graph?

The diagram shows four positions on a river where water samples were taken.

Which graph shows oxygen concentrations in the river?

Untreated sewage is released into a river at point X.

Which graph correctly shows changes in oxygen concentration of the water as the river flows away from X?

The list shows changes that occur in a lake which is polluted by nitrogen-containing fertiliser.
1 decomposers feed on plants
2 growth of algae increases on the lake’s surface
3 oxygen levels decrease in the lake
4 underwater plants die

In which order do these changes occur?

The bloodworm is an organism that is found in heavily polluted water.
The diagram shows where raw sewage flows into a river.

Where would there be fewest bloodworms?

Large areas of tropical forests have been cleared to grow monocultures of palm oil plants.

Which effect will this have on the ecosystem?

The diagram shows how sewage is treated.

Why is air bubbled through the aeration tank?