Mass of a crucible = 10g,

Mass of a crucible and soil before heating =29g

Mass of a crucible and soil after heating = 18g

From the information above, determine the percentage of water in the given soil sample?

I. Stomata --> Spirogyra

II. Alveoli --> Earthworm

III. Malpighian tubule -> Mammal

IV. Contractile vacuole -> Protozoa

Which of the above structures is correctly matched with the organisms in which it is found?

The sequence of the one-way gaseous exchange mechanism in a fish is?

Which of the following is true in blood transfusion?

The plants that grow in deserts or very dry areas are referred to as?