1/2 of a radioactive substance will remain after 3 half lives.
Answer:
Explanation:
Vertebrates are members of the kingdom Animalia and the phylum Chordata ((Figure)). Recall that animals that possess bilateral symmetry can be divided into two groups—protostomes and deuterostomes—based on their patterns of embryonic development. The deuterostomes, whose name translates as “second mouth,” consist of two major phyla: Echinodermata and Chordata. Echinoderms are invertebrate marine animals that have pentaradial symmetry and a spiny body covering, a group that includes sea stars, sea urchins, and sea cucumbers. The most conspicuous and familiar members of Chordata are vertebrates, but this phylum also includes two groups of invertebrate chordates.
Deuterostome phylogeny. All chordates are deuterostomes possessing a notochord at some stage of their life
Answer:
the difference between frog and grasshopper is that
frog is a small tailless amphibian of the order anura that typically hops or frog can be (offensive) a french person or frog can be a leather or fabric loop used to attach a sword or bayonet, or its scabbard, to a waist or shoulder belt
while grasshopper is a herbivorous insect of the order orthoptera noted for its ability to jump long distances.
frog is to hunt or trap frogs or frog can be to ornament or fasten a coat, etc with frogs or frog can be to unravel (a knitted garment).
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