Answer:
The correct answer is option B. lobe-finned fish.
Explanation:
Lobe finned fishes or the Sarcopterygii is a group or clad of fish that contain the coelacanths, tetrapods, lungfish, and other fossil relatives. ray-finned fishes and lob finned fishes are the are sister groups.
The major characteristic feature of this fish is the presence of lobe in their fins. The ancestral records explained that the land-dwelling tetrapods are evolved from the lobe-finned fishes around four four hundred million years ago.
Thus, the correct answer is option B. lobe-finned fish.
An idea map is a group chart that delineates how conceptual thoughts are connected. This sort of graphical perception device regularly utilizes circles or boxes to speak to ideas and associating lines to outline. The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown".
Answer: 805m east
Explanation:
From the data above v=23m/s, t=35s
Average velocity= Displacement/Time.
Displacement= Average velocity X Time.
Displacement= 23 X 35= 805m
So, the correct answer is 805m east.
The piano could only be played with 12 fingers, which is rare because humans normally have ten fingers.
