Instructions: Below is an excerpt from an article that provided information about dolphins. There are 20 blanks in the text that need to be filled with prepositions. Use the correct/ appropriate prepositions in context to fill the blanks.
Description
Dolphins are small-toothed Cetaceans, a group of marine mammals that evolved ______ land mammals. They have developed numerous adaptations that make them well suited for life in water including a streamlined body, flippers, blowholes and a layer _______ blubber for insulation. Dolphins have curved beaks which means they appear to have permanent smiles.
Dolphins evolved from land mammals whose legs were underneath their bodies. As a result, dolphins tails move up and down as they swim, whereas a fish’s tail moves _______ side to side.
Dolphins, like all toothed whales, lack olfactory lobes and nerves. Because dolphins do not possess these anatomical features, they most likely have a poorly developed sense _______ smell.
The snout of some oceanic dolphins is long and slender due to their elongated, prominent jaw bones. Within the dolphins' elongated jaw bone sits numerous conical teeth (some species have as many as 130 teeth in each jaw). Species that have prominent beaks include, for example, Common Dolphin, Bottlenose Dolphin, Atlantic Humpbacked Dolphin, Tucuxi, Long-Snouted Spinner Dolphin, and numerous others.
The forelimbs of a dolphin are anatomically equivalent _______ the forelimbs of other mammals (for example, they are analogous to arms in humans). But the bones _______ the forelimbs of dolphins have been shortened and made more rigid _______ supporting connective tissue. Pectoral flippers enable dolphins _______ steer and modulate their speed.
The dorsal fin of a dolphin (located on the back of the dolphin) acts as a keel when the animal swims, giving the animal directional control and stability within the water. But not all dolphins have a dorsal fin. For example, the Northern Rightwhale Dolphins and the Southern Rightwhale Dolphins lack dorsal fins.
Dolphins do not have prominent external ear openings. Their ear openings are small slits (located behind their eyes) which do not connect to the middle ear. Instead, scientists suggest that sound is conducted _______ the inner and middle ear by fat-lobes located by the lower jaw and _______ various bones _______ the skull.
Habitat and Distribution
Many dolphins inhabit coastal areas or areas _______ shallower water. While most dolphins prefer warmer tropical or temperate waters one species, the orca (sometimes called killer whale) lives _______ both the Arctic Ocean and the Antarctic Southern Ocean. Five dolphin species prefer fresh to
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Answers
Answer:
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Explanation:
Description
Dolphins are small-toothed Cetaceans, a group of marine mammals that evolved __from____ land mammals. They have developed numerous adaptations that make them well suited for life in water including a streamlined body, flippers, blowholes and a layer _of blubber for insulation. Dolphins have curved beaks which means they appear to have permanent smiles.
Dolphins evolved from land mammals whose legs were underneath their bodies. As a result, dolphins tails move up and down as they swim, whereas a fish’s tail moves ___from____ side to side.
Dolphins, like all toothed whales, lack olfactory lobes and nerves. Because dolphins do not possess these anatomical features, they most likely have a poorly developed sense ___of____ smell.
The snout of some oceanic dolphins is long and slender due to their elongated, prominent jaw bones. Within the dolphins' elongated jaw bone sits numerous conical teeth (some species have as many as 130 teeth in each jaw). Species that have prominent beaks include, for example, Common Dolphin, Bottlenose Dolphin, Atlantic Humpbacked Dolphin, Tucuxi, Long-Snouted Spinner Dolphin, and numerous others.
The forelimbs of a dolphin are anatomically equivalent __to_____ the forelimbs of other mammals (for example, they are analogous to arms in humans). But the bones __within_____ the forelimbs of dolphins have been shortened and made more rigid __by_____ supporting connective tissue. Pectoral flippers enable dolphins ___to____ steer and modulate their speed.
The dorsal fin of a dolphin (located on the back of the dolphin) acts as a keel when the animal swims, giving the animal directional control and stability within the water. But not all dolphins have a dorsal fin. For example, the Northern Rightwhale Dolphins and the Southern Rightwhale Dolphins lack dorsal fins.
Dolphins do not have prominent external ear openings. Their ear openings are small slits (located behind their eyes) which do not connect to the middle ear. Instead, scientists suggest that sound is conducted ____to___ the inner and middle ear by fat-lobes located by the lower jaw and ____by___ various bones __within_____ the skull.
Habitat and Distribution
Many dolphins inhabit coastal areas or areas __with_____ shallower water. While most dolphins prefer warmer tropical or temperate waters one species, the orca (sometimes called killer whale) lives ___in____ both the Arctic Ocean and the Antarctic Southern Ocean. Five dolphin species prefer fresh to salt water; these species inhabit rivers ___in____ South America and South Asia.