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BIO1022 - Animals that feed on plant fluid
Transcript of BIO1022 - Animals that feed on plant fluid
Nectar is a solution made up of ~80% of the sugars that the animals require such as fructose, sucrose and glucose.
Rich source of nutrients
· Easily ingested and
· The sugar in the nectar
is rapidly digested to
help the animal (eg.
high metabolic rates.
Nectar is often an incomplete source of nutrition, therefore fluid feeders need to look for other food sources.
· Low amounts of protein/amino acids and
vitamins/minerals/ electrolytes and salt.
· Excess of water
· Animals face a challenge when they fast (in
between meals or overnight/poor weather)
Linda Lim, Janelle Munsamy, Mairead Judge & Melissa Le
Diet: Flower nectar and tree sap
High breathing rate, body temperature and fast heart rate require large amounts of food with a high sugar content
Hummingbirds, aphids, spiders and leeches
Found in groups on flowers and vegetables
Feed on the sap of plants by puncturing it and sucking it out
What are fluid feeders?
Also known as fluid feeder these are animals that feed on the fluids present in organisms to gain nutrients, in plant fluids this can take the form of sugar rich sap or nectar.
Diet: plant sap from grass, shrubs or trees
Prominent piercing-sucking mouthparts
Australian marsupial; found in Western Australia
Have an elongated snout and tongue; helps to gather nectar
Higher concentrations of digestive enzymes
Extended periods of deep sleep