While walking in the forest, your friend observed a small animal crawling on a tree. The animal had a rigid body with three body segments, two large eyes, and six legs. To which clade did this animal most likely belong? Group of answer choices Insect Chelicerate Gastropod Crustacean Cephalop

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the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).