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kakasveta [241]
2 years ago
15

.pls help fast Is the fossil record complete for humpback whales? Explain your answer.

Biology
2 answers:
bezimeni [28]2 years ago
8 0

Answer:People look at the fossil record and think the early history of many animals is filled with giants, but not for whales. It's only in recent geological times that whales have achieved really large sizes

andreyandreev [35.5K]2 years ago
7 0

Answer:

No, the fossil record is not complete because with further fossil discoveries, and more study, it may continue to tell paleontologists how modern whales came to behave the way they do.

Explanation:

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which part of the brain receives sensory stimuli and passes along the information to other parts of the brain?
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Assuming the options are:                                    (Thalamus)

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The thalamus is a large mass of gray matter in the dorsal part of the diencephalon of the brain with several functions such as relaying of sensory signals, including motor signals to the cerebral cortex, and the regulation of consciousness, sleep, and alertness.

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Answer: There are eight types of terrestrial biomes - temperate grasslands, temperate forests, tropical rainforests, subtropical rainforests, savannas, subtropical deserts, chaparral, boreal forests and arctic tundra.

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Temperate grasslands: The climate temperature varies from semi-arid to semi-humid. Vegetation consist of grass and/or shrubs. Example includes  Eurasian steppes, north american prairies.

Temperate forests: It is second largest biome , which covers 25% of the world's forest area. Its is known for its seasons and leaf-shedding trees. For example the Valdivian and magellanic temperate forests.

Tropical rainforests: It occurs in the areas of tropical climate. There is no dry season. Average precipitation of the year is at least of 60 mm. For example Daintree rainforests, Congo rainforests.

Subtropical rainforests: It has the the features of temperate forests and tropical forests.

Savannas: It is a mixed woodland grassland ecosystem. Tress are widely spaced so that canopy does not close. For example Serengeti plains of Tanzania.

Subtropical desert: High temperature, warm soils, and very low precipitation are its important features. Plants such as shrubs and succulents can be found there. Mojave desert, Sonoran are the examples.

Chaparral: It is a heathland plant community. Found mainly in US state of California and in northern portion of the Baja California peninsula. For example Santa ynez mountains, near Santa Barbara, California.

Boreal forests: It is also known as Taiga. It has coniferous forests consisting mainly of spruces, larches and pines. It is world's largest forest. For example Jack London Lake in Russia.

Arctic tundra: It is a vast, cold, and treeless area of low, swampy plains in the north around Arctic ocean. There are three regions and associated type of tundra that are Arctic, Antarctic and Alpine.

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