MOST DANGEROUS LIZARS

  MOST DANGEROUS LIZARS Lizards are a diverse group of reptiles that belong to the order Squamata, which also includes snakes. They have scaly skin, four legs (except for some legless species), movable eyelids, and external ear openings. They are mostly carnivorous and have various adaptations to avoid predators, such as venom, camouflage, and tail regeneration. There are more than 7,000 species of lizards in the world, living in different habitats and climates. Some of the most well-known lizards are the Komodo dragon, the chameleon, the gecko, and the iguana. Lizards are not dangerous to humans, however, some lizards are poisonous and can harm a person if they are touched or bitten by these reptiles. Certain lizards, such as the Komodo dragon, can grow to large sizes and have been known to attack and kill people. Most lizards, in reality, are harmless to humans, as are most turtles; however, there are certain members of both groups that can kill, maim, make ill, or inflict at...
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ECOLOGY - QUIZ

 ECOLOGY - QUIZ


1.    An example for a parasite-host relationship is………………………
(a) a fly eating from a dish kept upon a table
(b) a vine creeps upon a larger tree for support
(c) a tick living on a dog
(d) a woodpecker on a coconut tree

2.    Sheep and kangaroos both eat the same grass in a paddock. This is an example for………………..
(a) Competition
(b) Predation
(c) Parasitism
(d) Dependence

<img src="http://udinikkara.blogspot.com/image.png" alt="symbiosis" … />
       3.    The relationship where two different organisms live          closely together for long period is called……………..
            (a) Predation
            (b) Competition
            (c) Symbiosis
            (d) Parasitism

4.    Organisms that are most affected by the change of seasons are:
(a) Plants
(b) Humans
(c) Tropical fish
(d) Whale

5.    Fish are streamlined in shape for faster movement in water. This is an example for a……………………………
(a) Structural adaptations
(b) Behavioral adaptations
(c) Physiological adaptations
(d) Environmental adaptations

6.    Which of the following process is the large part of the carbon cycle in the ecosystem?
(a) Microbial decomposition
(b) Formation of fossil fuel
(c) Combustion to power cars heat homes
(d) All of the above

7.    In a community producers are ------------------- which convert light energy to chemical energy in a process called -----------------------.
(a) Heterotrophs, photosynthesis
(b) Autotrophs, photosynthesis
(c) Heterotrophs, respiration
(d) Autotrophs, respiration

8.    In addition to producers and consumers,
     healthy communities must have
<img src="http://udinikkara.blogspot.com/image.png" alt="decomposers" … />     -------- bacteria and fungi which recycle detritus.
(a) Autotrophs
(b) Decomposers
(c) Spontaneous combustion
(d) Virus
9. In a typical ecological pyramid, cows are good examples of ------------------- consumers because they are ---------------.
(a) Primary, herbivores
(b) Secondary, omnivores
(c) Tertiary, herbivores
(d) Primary, Carnivores
10. Humans are considered to be ------------------ consumers, because we eat carnivores, omnivores, herbivores and producers.
(a) Primary
(b) Tertiary
(c) Secondary
(d) Quaternary



ANSWERS


1.    (c) a tick living on a dog
2.    (a) Competition
3.    (c) Symbiosis
4.    (a) Plants
5.    (c) Physiological adaptations
6.    (a) Microbial decomposition
7.    (b) Autotrophs, photosynthesis
8.    (d) Decomposers
9.    (a) Primary, herbivores
10. (a) Tertiary








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