1 Select the correct answer from each drop-down menu.
Small frogs living in a marshy region feed on small insects in the region. The relationship between the frogs and insects is a
relationship. A particular species of lizards is introduced into the marshy land. These lizards also start feeding on
these insects. The introduction of lizards may lead to
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Select the correct answer from each drop-down menu.

Small frogs living in a marshy region feed on small insects in the region. The relationship between the frogs and insects is a relationship. A particular species of lizards is introduced into the marshy land. These lizards also start feeding on these insects. The introduction of lizards may lead to .  

1. a) commensal-host

b) parasite-host

c) prey-predator  

2. a) competition between lizards and frogs for food

b) an increase in the number of frogs

c) no population change in any of the three species

1. c) prey-predator  

2. a) competition between lizards and frogs for food

Explanation:

1. Frogs feeding on small insects in the region shows prey-predator   relationship. Predators are the dominating organism which kill weak organism for food and preys are the organisms which are killed. Here, frogs are the predators and small insects act as prey.

2. Introduction of lizards in the same region will increase the competition between lizards and frogs as their food is same that is small insects. Both frogs and lizards have same source of food (small insects), so lizard and frogs will fight for the same food.

Hence, the correct answers are 1. c) prey-predator  

2. a) competition between lizards and frogs for food .

doctors i believe if i'm wrong sorry

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )