Zadanie 1c
Explain two leaf adaptations that reduce the difficulties of surviving in a hot desert.
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Explain two leaf adaptations that reduce the difficulties of surviving in a hot desert.
Estimate the chlorophyll concentration in the control at 12 hours.
Distinguish between the changes in cyanobacterial abundance in the control and in the treatment with clams at 8.2 mg L⁻¹ dissolved oxygen.
Suggest a reason for the control’s change in chlorophyll concentration.
Compare and contrast filtration at the two oxygen concentrations over the course of the experiment.
Estimate the percentage of live clams in 1982 that belonged to species B.
State whether the empty-shell sample collected in 2022 more closely resembles the 1982 or 2022 live sample, giving one reason.
Discuss whether the percentage-composition chart demonstrates an increase in the population of species C since 1982.
Calculate the percentage decrease in the mean density of species B in 1982 between depths of 1–2 m and 2–3 m.
Compare and contrast the changes in mean density of species B and species C between the two survey years.