34) The statement is -
This is because chordates are classified into three major subphyla. They are- Vertebrata, Urochordata, and Cephalochordata. Vertebrates are the chordates which have a backbone. The other two subphyla are invertebrate chordates. These two lack a backbone. Members of the subphylum Urochordata are tunicates.
35) The statement is-
There are two evolutionary strateges- R selection and K selection. R selection species produce lots of offsprings and live in unstable environment have lower probability of survival whereas the K selective offsprings produce less offsprings and live in stable environment have higher probability of survival.
Homo sapiens are K selective.
36) The statement is-
According to the 10% law, predators (secondary consumers) can convert between 10% of the energy available in the primary consumer class into biomass themselves.
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