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7th Grade Unit 3.2 Reproduction

Horizontales
A specialized reproductive cell.
In animals, and in most organisms that reproduce this way, a sperm from a male joins an egg from a female. External fertilization, internal fertilization, and conjugation are examples of this.
A structure that encloses a plant embryo and stored food in a protective coat.
Male and female gametes join to become a zygote.
A form of asexual reproduction in which plants produce offspring from non-reproductive tissues such as leaves, stems, and roots.
A ripened plant ovary.
A fertilized egg cell that will develop into a mature individual.
An organ filled with blood vessels that supply the embryo with oxygen and nutrients and remove waste.
Verticales
A structure that holds an immature egg cell.
A developing human from eight weeks after fertilization until birth.
The immature form of an organism that has the potential to grow and develop.
Only one parent produces offspring. Binary fission, budding, fragmentation, and parthenogenesis are examples of this.
A long tube that encloses the blood vessels connecting the embryo to the placenta.
The monthly shedding of the uterus lining.
A dry structure on a plant that holds a sperm cell and a tube cell.