1. : Which of the following is considered the most primitive animal group?
(A) Arthropods
(B) Cnidarians
(C) Sponges
(D) Mollusks
2. : Which group of animals is considered the closest living relatives to amphibians?
(A) Fish
(B) Reptiles
(C) Birds
(D) Mammals
3. : Which phylum includes animals with a notochord at some stage of their development?
(A) Arthropoda
(B) Mollusca
(C) Chordata
(D) Annelida
4. : Which of the following groups of animals is believed to have evolved from reptiles?
(A) Fish
(B) Amphibians
(C) Birds
(D) Sponges
5. : Which of the following is the correct evolutionary relationship between fish and amphibians?
(A) Fish evolved from amphibians
(B) Amphibians evolved from fish
(C) Both evolved independently
(D) Fish and amphibians evolved from birds
6. : Which of the following groups is considered the most diverse in terms of species?
(A) Mammals
(B) Reptiles
(C) Amphibians
(D) Insects
7. : Which evolutionary feature is shared by all vertebrates?
(A) Exoskeleton
(B) Vertebral column
(C) Jointed legs
(D) Open circulatory system
8. : Which animal group is believed to be the ancestors of mammals?
(A) Amphibians
(B) Birds
(C) Therapsids (early reptiles)
(D) Fish
9. : Which of the following groups of animals first evolved to lay amniotic eggs?
(A) Mammals
(B) Reptiles
(C) Amphibians
(D) Fish
10. : Which of the following groups is considered the most ancient lineage of vertebrates?
(A) Cartilaginous fish
(B) Amphibians
(C) Jawless fish
(D) Birds
11. : The evolutionary development of a backbone is a key feature in which group of animals?
(A) Invertebrates
(B) Vertebrates
(C) Echinoderms
(D) Mollusks
12. : Which group of animals shows the closest evolutionary relationship to modern birds?
(A) Amphibians
(B) Mammals
(C) Reptiles
(D) Fish
13. : Which feature do all tetrapods share in common?
(A) Four limbs
(B) Gills for respiration
(C) Jointed appendages
(D) Exoskeleton
14. : What is the main evolutionary advantage of mammals over reptiles?
(A) Amniotic eggs
(B) Warm-blooded metabolism
(C) Scaled skin
(D) Gills for breathing
15. : Which of the following groups is considered the closest evolutionary relatives of modern mammals?
(A) Amphibians
(B) Dinosaurs
(C) Reptiles
(D) Birds
16. : Which group of animals is most closely related to insects?
(A) Crustaceans
(B) Amphibians
(C) Birds
(D) Mammals
17. : What distinguishes vertebrates from invertebrates in terms of evolutionary development?
(A) Possession of an exoskeleton
(B) Presence of a notochord
(C) Ability to lay eggs
(D) Lack of segmentation
18. : Which group of animals is considered to have evolved the first true lungs?
(A) Fish
(B) Amphibians
(C) Mammals
(D) Birds
19. : Which evolutionary development allowed reptiles to become fully terrestrial?
(A) Warm-blooded metabolism
(B) Amniotic egg
(C) Gills
(D) Hollow bones
20. : Which group of animals has the closest evolutionary relationship with humans?
(A) Amphibians
(B) Primates
(C) Reptiles
(D) Fish
21. : Which group of vertebrates first appeared during the Devonian period and is known for developing jaws?
(A) Amphibians
(B) Fish
(C) Birds
(D) Reptiles
22. : Which animal group does the evolutionary term “lobe-finned fish” refer to?
(A) Fish
(B) Amphibians
(C) Reptiles
(D) Mammals
23. : Which group of animals evolved an exoskeleton for protection and structural support?
(A) Mammals
(B) Birds
(C) Arthropods
(D) Fish
24. : Which evolutionary feature in birds is directly linked to their flight ability?
(A) Lungs
(B) Feathers
(C) Scales
(D) Exoskeleton
25. : Which of the following animal groups exhibit an evolutionary transition from water to land?
(A) Arthropods
(B) Amphibians
(C) Mammals
(D) Insects
26. : Which of the following is the closest living invertebrate relative to vertebrates?
(A) Arthropods
(B) Echinoderms
(C) Mollusks
(D) Annelids
27. : Which of the following animal groups first developed the ability to fly?
(A) Reptiles
(B) Birds
(C) Insects
(D) Mammals
28. : Which group of vertebrates was the first to develop limbs capable of walking on land?
(A) Mammals
(B) Reptiles
(C) Amphibians
(D) Fish
29. : Which evolutionary feature do birds and mammals share?
(A) Feathers
(B) Warm-bloodedness
(C) Exoskeleton
(D) Gills
30. : Which group of fish is considered the direct ancestor of modern tetrapods?
(A) Cartilaginous fish
(B) Ray-finned fish
(C) Lobe-finned fish
(D) Jawless fish