Which is the longest day of the year a. summer solstice b. winter solstice c. spring equinox d. fall equinox this is science

Number and variety of living organism; includes genetic, species, and ecological types

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.

Hey everybody, i have another biology question. by what reproductive mechanism does a haplontic animal grow? initially mitosis, then meiosis completely by mitosis completely by meiosis initially by meiosis, then by mitosis