Discover the Common sea star

Question 1 · multiple choice

Which environment provides the right combination of shelter and feeding space for a Common sea star?

grasslands, farmland, scrub, and wetlands near palms or thorny trees humid forest vegetation beside tropical streams gardens, hedges, woodland edges, and tall vegetation rocky shores and shallow seabeds

Question 2 · multiple choice

Which menu would require the fewest changes from the normal diet of a wild Common sea star?

mussels, clams, barnacles, and carrion ants, termites, and other small invertebrates mostly small mammals located by sound rodents, rabbits, birds, and lizards

Question 3 · multiple choice

Which timing clue belongs in a field guide entry for a Common sea star?

active by day forages slowly at any time depending on tide and food usually active by day workers forage day and night depending on temperature and humidity

Question 4 · multiple choice

Choose the most accurate description of a Common sea star in motion.

climbs slowly with gripping feet and a coiling tail swims slowly using pectoral, dorsal, and anal fins for fine control moves using hundreds of water-powered tube feet walks in organised trails carrying leaf pieces overhead

Question 5 · multiple choice

Which claim about a Common sea star's adaptation is scientifically accurate?

a prehensile tail anchors the body while camouflage hides it mantle tissues house algae that photosynthesise and share nutrients large ears release body heat through a network of blood vessels tube feet grip surfaces and pull open a small gap in shellfish

Question 6 · multiple choice

Which breeding-season clue correctly points to a Common sea star?

releases eggs and sperm into water where larvae develop females carry eggs beneath the abdomen until larvae hatch gives birth to live young that ride on the mother’s back cubs are born in the winter den and nurse before spring emergence

Question 7 · multiple choice

How does a Common sea star usually balance solitary and group life?

groups may herd fish into shallows before scooping them mostly solitary but gathers at dense food patches adults may gather at good basking and nesting sites forms large daytime schools around some islands and seamounts

Question 8 · multiple choice

Which statement best explains the place of a Common sea star in a food web?

turns soil and regulates ant and termite colonies controls rodent populations around farms and grasslands prevents some shellfish from monopolising rocky habitat controls rodents and supplies prey for raptors and mammals

Question 9 · multiple choice

Which survival response is correctly matched to a Common sea star?

places nests over water or thorny branches to reduce access by predators green camouflage and stillness hide it on leaves drops from the web, hides, or wraps prey rapidly clings strongly and can regrow lost arms if enough central tissue remains

Question 10 · true false

True or False: A common sea star must change shells as it grows because it cannot make the snail shell itself.

True False