Test Your Knowledge — How Well Do You Know Natural History?

Everything

How far does your knowledge of natural history go?

1 - What are the oldest living things?

2 - In which kind of the lower animals does the nervous system make its appearance?

3 - Which kind of living creature has the largest brain in proportion to its size?

4 - Which moistens the air more: an acre of water or an acre of forest?

5 - Does the moon affect the growth of plants?

6 - Do all the sheep in a single flock usually sleep at the same time?

7 - Which creature upon this earth lives the longest?

8 - Which bird's female is famous for laying her eggs in the nests of other birds, for them to hatch on her behalf?

9 - Why are the kinds of land animals more numerous than the sea animals?

10 - Is there sand at the bottom of the deepest part of the ocean?

11 - Why are snakes not poisoned by their own venom?

12 - How many hooves has a horse?

13 - What causes the buzzing sound of bees?

14 - What is the greatest weight of the elephant living in our days?

15 - Are thick-haired animals thinner or thicker of skin than animals with little hair?

16 - Which of the animals has been the cause of the most deaths?

17 - Why are long-legged animals long of neck?

18 - Is the spider counted among the insects?

19 - Which are the more numerous in the tropical forests: the land animals or those that live in the trees?

20 - What causes the foam upon the waves?

(Answers on page 29)

1 - Trees.
2 - The jellyfish.
3 - The ant.
4 - An acre of forest.
5 - No.
6 - No; for it is the custom of the flock that one of the sheep remains awake while the rest sleep.
7 - The tortoise, which may live 200 or 300 years, and even longer.
8 - The cuckoo.
9 - Because the conditions of life upon dry land are more varied.
10 - No, for deposits of silt form there under the pressure of the great depth.
11 - Because they have a natural immunity.
12 - Four, one for each leg.
13 - The beating of the wings.
14 - Ten tons.
15 - Thinner of skin, for their fur serves them as a protection.
16 - Rats.
17 - So that they may reach their food without bending their knees.
18 - No.
19 - The animals that live in the trees.
20 - The salt present in the water.