Biology, 05.11.2019 04:31 elliswilliams1063

Which was the most likely food source for the first terrestrial tetrapods? a. leaves b. insects c. small mammals d. small mammals e. eggs

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Answer from: gwen8605

The most likely food sources for the first terrestrial tetrapods are insects. This implies the correct answer is B.

The first group of tetrapods are aquatic and the modern ones which originated from the first tetrapods are semi-aquatic: they look like fish tadpoles at the first stage of their life and later become aquatic and terrestrial animals.

Further Explanation

Tetrapods are animals that possess four limbs and some of them include reptiles such as dinosaur, birds, and mammals. These animals originated from Tetrapodomorpha (a clade of vertebrates that consists tetrapod) while the first tetrapods emerged about 367 million years ago.

However, the modern tetrapods are a clade of tetrapods vertebrates which include reptiles, birds, and mammals. The first tetrapods feed on insects and fish.

Some of the characteristics of tetrapods include:

They have four limbsThey have different adaptations of the muscles and skeletons that enable to move on landTheir tongue is muscular and well developedThey do not possess internal gillsThey possess a layer of dead cells which helps to reduce water loss on the surface their bodyTripods are classified into two taxonomy groups, which includeAmphibians (Lissamphibia): this includes salamanders, toads, frogs, etc.Amniotes (Aminota): the members of this group are birds, reptiles and mammals.

LEARN MORE:

Tetrapods (amphibians, reptiles, and mammals) all share a common ancestor Most mammals during the Mesozoic were

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Answer from: Quest

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust. the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles. three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.

Answer from: Quest

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

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Which was the most likely food source for the first terrestrial tetrapods? a. leaves b. insects c....

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