CHAPTER 13 NOTES 0.0 / 5 ? BiologyEnvironmental factors and AdaptationsAll LevelsAll boards Created by: ALK756Created on: 18-10-15 07:56 What is the range of conditions that an organism can survive in called? Tolerance Range 1 of 18 What are abiotic factors and give some examples? An abiotic factor is a non-living thing that can affect an environment. Examples include soil type, rainfall,temperature and salinity. 2 of 18 What are biotic factors and give some examples? A biotic factor is a living thing that can affect an environment. Such things are availability of mates or the impact of predators and parasites 3 of 18 What is a limiting factor? An environmental requirement in short supply. 4 of 18 What is an adaptation? An inherited characteristic that improves an organisms chances of survival and reproduction. 5 of 18 What are some abiotic factors found in water? Ph, gases, temperature, light and salinity. 6 of 18 What do mangroves have to cope with? Fluctuating salinity levels, lack of oxygen for their roots and an aquatic environment for their seed disposal. 7 of 18 What is torpor? It's when animals allow their body temperature to drop and they become dormant for a period of time. 8 of 18 What triggers hibernation? Scarcity of food/water and low environmental temperatures. 9 of 18 What is a hydrophyte? A hydrophyte is a water loving plant. 10 of 18 What is the main problem for hydrophytes? The main problem is lack of oxygen. 11 of 18 What are the 3 zones? Subtidal zone, intertidal zone and spray zone 12 of 18 What are pneumatophores? Aerial roots. 13 of 18 What is a xerophyte? Plant that loves dryness. 14 of 18 What are some adaptations of xerophytes? Thick waxy cuticles, sunken stomata and leaves that point away from the sun. 15 of 18 What are halophytes? Plants that love salt. 16 of 18 What are epicormic buds? Epicormic buds are buds which lie under the bark of stems, allowing sprouting and regrowth. 17 of 18 What is a lignotuber? a lignotuber is a swollen underground stem that contains food stores. 18 of 18
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