Describe prokaryotic cells. include general characteristics and indicate the one feature that eukaryotic cells have that prokaryotic cells do not.

In the california poppy, an allele for yellow flowers (c) is dominant over an allele forwhite flowers (c). at an independently assorting locus, an allele for entire petals (f) isdominant over an allele for fringed petals (f ). a plant that is homozygous for yellow andentire petals is crossed with a plant that is white and fringed. a resulting f1 plant is thencrossed with a plant that is white and fringed, and the following progeny are produced: 54 yellow and entire; 58 yellow and fringed, 53 white and entire, and 10 white andfringed. using the chi-square test, what would the probability value (p-value) be?

Valleys form mainly from a. deposition of sediment by rivers or glaciers. b. weathering and erosion by the wind. c. weathering and erosion by rivers or glaciers. d. deposition of sediment by the wind.

Choose the words to complete the paragraph below. are ecosystems that are similar, such as the desert. , the number of species within an ecosystem, is a sign of its health. interesting ecosystem facts include: support aquatic life and are located between land and water systems. the tundra is covered by , which is a frozen layer of soil below the surface of the earth. a place where salt water and fresh water meet is called a(n)