How to Play
• Answer the Science General Knowledge reptile questions, then find the words in the grid.
• Words appear horizontally, vertically, diagonally and backwards. Some words may overlap.
Quiz Questions
1. A state of dormancy, similar to hibernation, characterised by inactivity, and a lowered metabolic rate, in response to high temperatures and arid conditions.
2. A mixture of gases and tiny dust particles. It is the clear gas in which living things live and breathe.
3. Development in most species of reptile is external, each embryo is encased in this, a membranous fluid-filled sac.
4. The sac that surrounds a growing foetus, containing fluid, that protects the foetus.
5. In this lizard, the male has a well-developed and brightly coloured throat fan, or dewlap, that opens and closes.
6. The largest artery in the body, with thick muscular walls to carry blood under pressure.
7. A genus of extinct marine turtles from the late Cretaceous, that was about 3.6 metres (11.8 feet) long.
8. Reptiles’ skin is made up of rough horny scales, and these plates, or a combination of both.
9. The smallest crocodile, which grows to 1.7 metres (6 feet) or less.
10. Sexual reproduction is internal, and sperm may be deposited by copulation, or through the apposition of these.
11. Reptiles may change their body form, such as this snake, that raises its body and spreads its hood, when threatened.
12. Reptiles and birds do not have a true umbilical ……., instead, the reptilian and bird embryo is in direct communication with the yolk sac.
13. An anole’s brightly coloured throat fan, call this, signals possession of a territory, and to attract females.
14. The eastern USA has many gerera, and species of these, whereas the west has only four or five species of them.
15. In some squamates, the unshelled eggs remain in the oviducts throughout development. The yolk nourishes each embryo, although this exchange does occur across the amniotic membranes, and the oviductal walls.
16. Except for the Chinese alligator, and this Indian reptile, crocodiles are absent from temperate Eurasia.
17. These monsters, native to SW US and NW Mexico, have venom glands under their lower teeth, which is used as a lethal hunting tool.
18. The cervical vertebrae in reptiles have midventral keels, and this, of the second cervical vertebra fuses to the axis in adults.
19. Reptile scales contain a unique type of protein, called beta what; the scales and interscalar skin also contain the alpha type.
20. One of Asia’s numerous terrestrial small snakes.
21. Rhamphorhynchus was a small, flying reptile, with a long tail, ending with a diamond-shaped what?
22. The cervical vertebrae in reptiles have what type of keels.
23. Live-bearing reptiles may have up to 50 of these. The smaller the living reptile, typically the fewer offspring, often only one or two.
24. A reptilian feature, the protuberance, where the skull attaches to the first vertebra, called the ……Condyle, is single.
25. The males of all modern reptiles, with the exception of tuatara, have functional copulatory what?
26. A defensive behaviour in some snakes, is they roll over, or curl up their tails, exposing this brightly coloured underbelly.
27. Testudine’s (turtles, tortoises, and terrapins) bodies are protected by a bony, or cartilaginous shell, developed from their what?
28. Some of this family (Scincidae) are quite small, growing no longer than 4 cm.
29. The flowerpot blind what (family Typhlopidae), is less than 10 cm (4in) in total length, when fully grown.
30. These mammal-like reptiles, have distinctive temporal openings in the cheek bones, allowing attachment of larger jaw muscles, hence a more efficient bite.
31. When attacked, some lizards voluntarily shed, or autotomize these, which wriggle violently.
32. During courtship, this male will ram another with his head and body, and try to roll the opponent onto his back, to drive away the opposing male.
33. The European what, is one of two species of reptil to have populations in the Arctic Circle.
• Find the answers to the quiz in the grid below.