1. What is meant by growth and development of organisms? 2. Why living things are called organisms ?

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Explanation:

1 ) Growth refers to an increase in the organism's plant's body size and mass with time. Whereas, when an organism or a plant grows mentally, physically as well as physiologically, the processor of that phase is recognized and named as the development of that organism plant.

2 ) An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis. An organism would, therefore, be any animal, plant, fungus, protist, bacterium, or archaeon on earth

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spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.