1. What is true about Polar bears.*10 pointsFemale polar bears give birth to their cubs in snow densOne of the largest land predators on the planetSeals are the polar bear’s main preyAll of above2 . Which land biome has the greatest biodiversity?*10 pointsTropical rain forestsTundraTemperate deciduous forestsSavana3.There are no penguins in the Arctic.*10 pointsTRUEFALSE4. Which animal makes the longest over land migration of the world.10 pointsZebraCaribouWildebeestRed Crabs5. Which biome is characterized by a layer of permafrost?*10 pointsTigerTundraTemperate deciduous forestsSavana6. Which land biome is the largest?*10 pointsDesertTropical rain forestsTemperate deciduous forestsTaiga7.What does animals in the deciduous forests do in the winter?*5 pointsProfanateHibernateSultanateMigrate8.What is the rarest type of leopard?*10 pointsAmur leopardJaguarCougarSnow leopard9.What causes the seasons on the Earth ?*10 pointsEarth's magnetic fieldEarth's tilted axisGlobal warmingDeforestation10. What is not true about deserts.*10 pointsCan either be extremely hot or extremely coldCan be found on every continent but AntarcticaNo animals or plants can be foundTakes about one third (1/3)of the worlds land mass11. Write a short paragraph about the documentary.Include followings.What documentary is about,Main events that you saw in the documentary,Facts that surprised you, Your favorite part,  and a Short conclusion.*

The biome with the greatest number of ecological niches and highest species diversity is ________.Question 5Select one:A.deciduous forestB.tropical rain forestC.desertD.boreal forestE.chaparral

Question 1What are the three greatest proximate threats to biodiversity?  1 pointhabitat loss, overharvesting, introduction of exotic species  overuse of natural resources, not enough planting of vegetables, too much meat consumption  over hunting, global warming, lack of rain  2.Question 2Aquatic species are particularly threatened by overharvesting. 1 pointTrueFalse3.Question 3Buying domestic wood species is one way to help prevent habitat destruction. 1 pointTrueFalse4.Question 4Why does the speaker mention the brown tree snake in Guam?1 pointas an example of an animal that is affected by the bush meat trade  as an example of exotic species that has been responsible for the extinction of native species  as an example of a native species that has become extinct  5.Question 5An overabundance of fresh water could result from the effects of global warming. 1 pointTrueFalse

Which statement describes the habitat of polar bears? Polar bears eat meat, so they are carnivores. Polar bears are predators because they hunt other animals. Polar bears live in the Arctic, where it is cold and icy. Polar bears are active all year and do not hibernate.

Evergreen trees, ferns, birds, deer, bobcats, amphibians, and bears are all species typical of what biome?Multiple choice question.coniferous foresttropical rain foresttropical savannatemperate grassland

Select all of the following that are true about terrestrial biomes.Multiple select question.huge bands on Earth with characteristic types of vegetationinfluenced by temperature and moisture components of climatesoil plays little role in nutrient cycling and plant lifevertebrates and invertebrates determine the dominant plants