(Question)
If insects have special excretory structures, then what has a special excretory structure? Answer choices: - Silk plants. - Insects. - a fish - animals - plants - Architecture structures. - barnacles - Corset structure.
(Answer)
Insects.

(Question)
If bacteria are able to increase the amount of nutrients in the soil, then what are able to increase the amount of nutrients in the soil? Answer choices: - Frogs - farms - mussels - bacteria - clams - plants - acid rains - tractors
(Answer)
bacteria

(Question)
If clusters form around hydrothermal vents to ensure survival, then how is survival ensured around hydrothermal vents? Answer choices: - heat produced - Eating a lot - Reproducing quickly - biological diversity - vegetation - Being in a cluster - Staying far apart - hydrate their cells
(Answer)
Being in a cluster