Biology, 31.08.2019 11:30 kiaragoodman7117
Michelle is observing a sand sample under a microscope when she finds many perforated shelled organisms. further testing reveals that these shells are made of calcium carbonate. how should she classify these organisms?
they are sarcodines, belonging to phylum heliozoa of protozoa.
they are radiolarians, belonging to phylum ciliata of protozoa.
they are foraminiferans, belonging to phylum sarcodina of protozoa.
nextreset
Answers: 2
Biology, 21.06.2019 22:00
Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses
Answers: 1
Biology, 21.06.2019 23:50
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
Answers: 1
Biology, 22.06.2019 10:00
Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast
Answers: 2
Michelle is observing a sand sample under a microscope when she finds many perforated shelled organi...
English, 08.09.2021 03:10
Social Studies, 08.09.2021 03:10
Biology, 08.09.2021 03:10
Physics, 08.09.2021 03:10
Mathematics, 08.09.2021 03:10
English, 08.09.2021 03:10
Mathematics, 08.09.2021 03:10
Mathematics, 08.09.2021 03:10
Mathematics, 08.09.2021 03:10
Mathematics, 08.09.2021 03:10