Which of these is a characteristic of eukaryotes? They do not have a nucleus. They are older than prokaryotes. They can be unicellular or multicellular. They do not have membrane-bound organelles.

they are older than prokaryotes

typically, most spiders possess eight eyes. however, others have as many as 12, and some don't have any. these eyes are for detecting light from dark, deciphering shapes and for gathering their prey.

the answer is d.) homologous; have mammary glands