Antigens; they are molecules that are foreign to the body, thus stimulating a response by the b- and t-cells that aim to defend the body against harmful and mostly foreign bacteria.
Answer: The resource cost of production
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Seed texture was observed by Gregor Mendel.
<h3>Mendel Laws:</h3>
Mendel focused on pea plants because they had features that were simple to observe and could reproduce sexually. Gregor Mendel explains his research with peas that demonstrated how genetics is passed down into distinct components. People have long been aware of the similarities between parents and children, in both animal and plant families as well as in human families.
The segregation of the two alleles of a particular gene into the gametes is described by Mendel's first law. The independent distribution of alleles from various genes from one another during gamete development is described by Mendel's second law. According to Mendel's law of dominance, only one form of a trait will manifest in the offspring of two parents who have distinct, opposing qualities. The sole phenotypic trait that the hybrid offspring will display is the dominant trait.
Learn more about Mendel,s Law here:
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Answer:
invertebrates are an animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. they can be spiders crickets ya know
Explanation:
