Which of the following describes the properties of ferns? a. they don't have vascular tissue and reproduce with spores. b. they have vascular tissue such as xylem and phloem and reproduce with spores. c. they have vascular tissue such as xylem and phloem and reproduce with seeds. d. they don't have vascular tissue and reproduce with seeds

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

6. in domesticated cats, the following are independently assorting: normal ears (t) is dominant to tufted ears (t); curved whiskers (c) is dominant to straight whiskers (c); the presence of six toes (s) is dominant to five toes (s); gene for hair length is an x-linked codominant. the three phenotypes for hair length are long (xhxh), medium (xhxh), and short (xhxh); medium is the heterozygous condition. given two parents: ttccssxhxh x ttccssxhy how many different gametes could be formed in the female cat with respect to these four traits? how many phenotypes are possible in the offspring from this mating?

Which layer will become saturated first when rain falls?