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The chromosome number of a human female is 44 + XX; of a male, 44 + XY. TrueFalse

What structure protects insects and gives them muscles

Which of the following is true? a) Sensory and motor tracts within the spinal cord are separated into sensory tracts b) on the right and motor tracts on the left side of the spinal cord have names that indicate the location of the initiation and

During which phase of the moon does a lunar eclipse occur?

Substances known to produce or promote cancer are called

How does nitrogen leave a food chain? A. Primary consumers eat nitrogen-containing green plants. B. Producers absorb nitrogen-containing nutrients by their roots. C. Decomposers break down nitrogen-containing waste material from primary consumers. D.

Diffusion is important for living organisms because ...

What does dichotomous means when classifying objects or organisms?

Monoecious plants Dioecious plants Angiosperms Gymnosperms A. has megasporangiate and microsporangiate flowers on the same plant B. has megasporangiate and microsporangiate flowers on different plants C. produce flowers and fruits D.

How many cotyledons would be formed in a flowering plant with nine petals on each flower and long leaves with a parallel leaf veins?