Answer: Definition of reproductive system. : the system of organs and parts which function in reproduction consisting in the male especially of the testes, penis, seminal vesicles, prostate, and urethra and in the female especially of the ovaries, fallopian tubes, uterus, vagina, and vulva.
Explanation:
Chromosomes are found in the nucleusof animal and plant cells.
Answer:
C. The nations of the world have finally come to some agreement on why and ... Ecosystems are open systems through which energy flows and materials are cycled ... In detrital food webs it flows mainly from plants through decomposers and detritivores ... In the atmospheric cycles, elements can move in the gaseous phase
Explanation:
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Answer:
c
Explanation:
b/c Estuaries and their wetland. it depends on the fish species, spawing occurs in the river etc...
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Answer;
A. In anaphase I, homologous pairs are separated but sister chromatids stay joined together.
Explanation;
-Anaphase of mitosis is stage during during which each chromosome's sister chromatids separate and move to opposite poles of the cell. The stage before anaphase, metaphase, the chromosomes are pulled to the metaphase plate, in the middle of the cell.
-Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. The sister chromatids remain attached at their centromeres and move together toward the poles.