Urgent !!!!! please help find correct answers Examples of invertebrate chrodates

Question

Urgent !!!!! please help find correct answers Examples of invertebrate chrodates are ___ a) Lancelets b) Tunicates c) Mosquitos D) A and B Match the following with the appropriate description. A) Bivalves B) Insects C) Millipedes D) Gastropods ___ Can be both carriers of disease as well as pollinators ___ Include oysters and clams ___Has many legs ___ Snails Answer whether the following state are TRUE or FALSE ___ Pharyngela slits evolve into gills in sharks ___ Humans are apes ___ Birds are placental animals ___ Lampreys are vertebrates that do not have jaws ___ ray fishes have a skeleton made of calcium ___ Lung fishes have gills as well as lungs Which of the following statement is TRUE a) Monkeys have a tail, opposable thumb and forward looking eyes, and are bipedal b) Gorillas are apes that have opposable thumb, lack a tail, and a larger brain with respect to size and walk upright c) Humans lack tail, have opposable thumb, have forward looking eyes, bipedal and short digestive system. Fungi are able to live in which of the following? a) Water b) Humans c) Dirt d) All of the above

Explanation / Answer

53) Both A and B

Tunicates and Lancelets are invertebrate chordates that lack a backbone. They are similar to earliest chordates evolved.

54) Insects act as both pollinators and carriers.

Insects like honey bees help in pollination of plants and other insects like housefly act as disease carriers.

55) Bivalves include Oysters and clams

Bivalves mollusks have a shell consisting of two halves hinged together.

56) Millipedes has many legs

Millipedes are 2.4 to 4 cm long organisms with having legs at each segment

57) Gastropods snails .

They belong to phylum mollusca and the class is made of snails

58) True

Pharyngeal slits develop into gills from exchanges of gases takes place in sharks.

59) False

Humans are not apes. Humans are hominoids, and all hominoids are anthropoids

60) False

Placental animals are characterized by presence of placenta which is not seen in birds and seen in mammals.

61) True

Lampreys are jaw less parasitic fish with skeleton made of cartilage.

62) True

Ray fishes a class Chondrichthyes class of fishes in which skeleton made of cartilage and this cartilage can have calcium

63) True

Lunch fish have both lungs and gills in their life cycle they uses lungs for respiration during their early life and use gills at later age for respiration.

64) C

Humans lack tail, have opposable thumb, have forwards looking eye and short digestive system.

Tails in humans is vestigial organ which lost in evolution and thumb are opposable which we can move or hold something in our fingers easily.

65) All of the above

Fungi can grow in damp, dark and wet conditions. They also grow on humans causing skin infections.

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