Question
Please answer all the questions
20. Imperfect flowers, having only either male or female parts, are technically 26. Which of the following IS NOI a level of ecological study? A. Organism A. Incomplete B. Complete C. Withdrawn D. Hermaphroditic B. Population C. Cellular D. Biosphere 27. Sunlight is the most intense at the A. Poles B. Equator C. Poles and equator D. Neither 21, A gradient of determines what parts of the seed the cells in the embryo sac will become. A. CONSTANS B. LFY C. Auxin D. Pax5 effect describes how 22. The endosperm of a seed is because it has 3 copies of all chromosomes. A. Quadroploid B. Triploid C. Diploid D. Monoploid 28. The the Earth's rotation influences the movement of air current. A. Butterfly B. Coriolis C. Coronal D. Gravity 23. Tree cells are considered because they can differentiate again to generate any tissue needed. A. Unipotent 29. Turnover in lakes happens during which seasons? A. Spring and Fall B. Fall and Summer C. Winter and Spring D. Winter and Summer B. Impotent C. Unimportant D. Totipotent 30. The photic zone of a body of water is characterized by A. Photon imbalance B. No photosynthesis C. Photosynthesis D. Bioluminescent organisms absorbs nutrients 24. The from the endosperm. A. Embryo B. Seed coat 31. If the population of a species of bunny is 500 individuals, spread out over 10 km, what is the population density of this species? C. Cotyledon D. Polar cell 25. Which of these is a biotic component in an A. 0.05 environment? A. An indigenous species B. Rocks found only in this environment C. Soil salt content . Carbon levels in the soil B. 0.5 C. 5 D. 50
Explanation / Answer
1) incomplete.
2) auxin gradient.
3) Triploid.
4) Totipotent.
5) embryo.
6) An indigenous species.
7) cellular.
8) Equator.
9) Coriolis effect.
10) Spring and Fall.
11) Photosynthesis.
12) Population Density = Number of People/Land Area.
= 500/10 = 50.