Biology Answers

Suggest why blinking of the eyes is coordinated by nerves and not hormones.

A brush fire started from a nearby village and wiped out 90% of the grasses in the ecosystem shown in the diagram. What may be some effects observed within this ecosystem as a result of the brush fire?

The host where the larva lives.

what is the role of starch in the titration?

        i)                  An example

ii)                Two distinctive defining features: Amphibian

i)                  An example

ii)                Two distinctive defining features: Mammals and Aves

i)                  An example

ii)              Two distinctive defining features: Reptilia and Chondrichtheyes?

Lancelets are aquatic gill breathing simple vertebrates? Is it true or false? If false why?

Urochordata include the hagfish and lampreys? Is it true or false? If false why?

Describe two distinctive features of the Molluscs??