Strains fuse nuclei and produce a
in sexual reproduction, two different strains of hyphae
zygote

Strains fuse nuclei and produce a in sexual reproduction, two different strains of hyphae called plus and minus zygote.

Explanation:

In a fungi or rhizopus, sexual reproduction takes place by fusion of a plus and minus strains. As the hyphae grows in these opposite strains, they become close together due to swelling, and come into contact with each other.

These plus and minus strains of nuclei travel into these swelling and forms the progametangia. This then converts to gametangia which dissolve and fertilze and produce diploid zygote nuclei.

A zygosphere covers these nuclei which later undergoes meiosis and forms hyphae with sporangium filled with haploid spores.

correct answer: biotic and abiotic limitations

carrying capacity is defined as the total number of an organism who can be supported in a given area within the natural resources limit and without harming or degrading the natural, economic or the cultural environment present for the future generations.

carrying capacity is determined by the limiting factors, which are known to affect the natural resources available. it may include water, nutrients, minerals, space, light etc.

explanation:

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an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.