If you build your device, you will need to turn in a video clip or photograph of your device along with a written description on how each step works.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

Which of the following would involve looking at different structures of organisms and comparing how similar they are? a. vestigial structuresb. radiometric datingc. homologous structures