Homozygous means that it has the same alleles and lower case represents a recessive trait therefore the genotype for a homozygous recessive individual is: bb

1) Fine flour and lumpy flour - B) Sieving
2) Mixed nuts - A) Handpicking
3) Sand and gravel - B) Sieving
4) Sand and palay - B) Sieving
5) Scrap iron and nail - C) Using magnet
(mark me brainliest if you're satisfied with my answer :))

The answer would be B) Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate.
Desert and steppe regions on Earth cover about 42 million square
kilometers, or about 30 percent of Earth's land surface