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How can you determine whether a spicule is calcareous or siliceous?
You can determine whether a spicule is calcareous or siliceous by performing a simple reactivity test: immerse the spicule in dilute hydrochloric acid (HCl). If it fizzes and dissolves, the spicule is likely calcareous (made of calcium carbonate). If there is no reaction, the spicule is likely siliceous (made of silica).
What is a plant spicule?
A plant spicule is a small, needle-like structure found in certain plants, such as sponges or sea urchins. These spicules provide structural support and protection for the plant.
What are the 5 features of the sun?
1) Prominence 2) Solar Flare 3) Granule 4) Sunspot 5) Spicule
Is an sponge herbivore carnivore omnivore?
sponge are omnivores or detrivores because they feed on living and dead particles
Where are the collar cells located in a sponge?
within the canals of the sponge :D
What are the 2 functions of spicules?
The spicule in a sponge is its skeleton. It provides strength in the sponge.
How can you determine whether a spicule is calcareous or siliceous?
You can determine whether a spicule is calcareous or siliceous by performing a simple reactivity test: immerse the spicule in dilute hydrochloric acid (HCl). If it fizzes and dissolves, the spicule is likely calcareous (made of calcium carbonate). If there is no reaction, the spicule is likely siliceous (made of silica).
What are a sponge's adaptations to a coral reef?
the adaptations in the coral reef are to ajust to the water and sharks!!!
What characteristics is used to designate groups of sponges?
The composition of their Skeletons.The Calcarea have single nucleus, single external membrane cells. Their 'Spicule' (Structural Element) is Calcite. They commonly have a massive Calcite exoskeletonThe Glass Sponges cells are mostly syncytia (large structure filled with cytoplasm and many nuclei), and their Spicule is Silica. They never have an exoskeleton.Finally, the Demosponges have the same calls as the Calcarea, but their Spicule is Silica, like the Glass Sponges. Some species have an exoskeleton, which will be formed of Aragonite if present.
What function might spicules provide?
Spicules in some marine organisms, such as sponges, provide structural support and protect against predators. They can also aid in capturing food particles by creating a mesh-like structure that traps prey. Additionally, spicules can serve as a defense mechanism by deterring or injuring potential predators.
What is a plant spicule?
A plant spicule is a small, needle-like structure found in certain plants, such as sponges or sea urchins. These spicules provide structural support and protection for the plant.
What is the name of a jet of rising gas in the chromosphere of the Sun?
Spicule.
What is the function of spicule other than support?
protection against predators
What adaptations do saprophytes have?
1 they look like a funny plant 2 their seeds are protected by a sponge like structure present on the top of the fugus
What adaptations does a sponge have for obtaining food?
Sponges are filter feeders and use choanocytes to create a current for food particles to pass through its body.
What is the function of spicules?
Spicules are small needle-like structures found in some animals like sponges and sea urchins. They serve various functions including structural support, defense against predators, and aiding in movement.
What is an amphidisc?
An amphidisc is a spicule with a denticulate wheel at each end, found in freshwater sponges.
