When echinoderms move in a manner such as walking or crawling, they pump sea water through a series of internal body canals. The water is used to inflate some of the tube feet, causing them to expand. In many species, the tube feet are equipped with suc(k)ers that grip onto the sea floor.
Answer:
Nitrifying bacteria
Explanation:
This process is called nitrification and is done by nitrifying bacteria. First, ammonia is converted to nitrites by nitrosomonas bacteria and then nitrites are converted to nitrated by nitrobacter bacteria. Both these bacteria are nitrifying bacteria
A.(true) because that’s right
Answer:
D) Sun-hay-rabbit-eagle
Explanation:
the sun gives energy through light rays to hay. Hay then gives energy to the rabbit that eats it. This rabbit then gives energy to the eagle that eats it.
Answer:
the law of segregation the alleles segerate into gametes : when gametes are formed, each allele of one parent segregates randomly into the gametes, such that half of the parents gametes carry each allele
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Explanation: