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Which invertebrate groups possess one, three, four or all of the features below?
Segmented bodies, hard exoskeleton, jointed legs, compound eyes, three pairs of walking legs
Insects possess all of the characteristics listed. Crustacea possess all but the 3 pairs of walking legs. Spiders, millipedes and centipedes have segmented bodies, exoskeleton and jointed legs. Annelids have segmented bodies
Class of Crustacea - Branchiopoda These are small fresh water crustaceans. The trunk appendages are flattened and leaf like and are helpful for locomotion also respiration he
Q. What is Polyethylene? Polyethylene (P) (Low density polyethylene (LDPE), medium density, linear low-density (LLDPE), high-density polyethylene (HDPE) and ethylene vinyl acet
What are biopolymers? Polymers are macromolecules made by the union of various smaller identical molecules, called monomers. Biopolymers are polymers present in the living bei
Q. Do algae reproduce asexually or sexually? There are algae that reproduce asexually, There are algae that reproduce sexually and. In unicellular algae reproduction is usually
Q. Do the arteries that carry blood from the heart to the lungs contain arterial or venous blood? What happens to the blood when it passes through the lungs? Arteries of the pu
Q. How do populations of predators and prey vary in predatism? Whenever a predator population enhance at the first moment the prey population tends to reduce. At a second momen
Explain Water as a lubricant? All fluids have lubricating as they can make it easier for the solid materials to slip over one another. Water-based fluids act as lubricants in
Differentiate between Total Fertility Rate (TFR) and Replacement Level (RL) Due to uncontrolled excessive hunting the population of tigers in a forest becomes Zero. Discuss the
Q. Into which classes is the phylum Annelida divided? The phylum is divided into three classes: hirudineans (e.g., leeches), oligochaetes (for example, earthworms) and polychae
a) Water demands vary among communities. Discuss some of the factors affecting water uses. b) A coastal town has a resident population of 8000 people during the winter months
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