Web3 jan. 2024 · While the blue whale is the largest cetacean, it is not the same with its brain. The blue whale brain is relatively small compared to other whales. The number of neurons in the brain determines how well the brain can retain activity. Blue whale brain weight averages 13.22-19.84 lb (6-9 kg). Web1 nov. 2024 · Dolphins and sharks separately evolved very similar physical features that have helped them become successful marine predators. (Image credit: Shutterstock) Convergent evolution is when different ...
Whales - meet the different species - Whale & Dolphin Conservation USA
Web8 apr. 2016 · Whales generally have four fins: two pectoral fins (instead of arms), a caudal fin (also called the tail) and a dorsal fin. The caudal fin is used for propulsion of the … WebCetaceans have fewer bones than humans, mainly because they don’t have legs or feet. Including the individual bones that make up the skull, our sperm whale has 184 bones... spray gun reviews hvlp
Anatomy, Evolution, and Homologous Structures
Webhomology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor. Homology is contrasted with analogy, which is a functional similarity of structure based not upon common evolutionary origins but upon mere similarity of use. Thus the forelimbs of … Web8 apr. 2024 · The average size of a humpback whale in the case of males reaches a height of 13–14 m (43–46 ft) when fully grown. Females are slightly bigger, measuring 15–16 m (49–52 ft); one huge specimen was 19 m (62 ft) in length and had 6 m (20 ft) pectoral fins. According to whaling records, the largest humpback whale size on record was a female ... WebOrca (left) vs Bottlenose dolphin (right) Visual Comparison. The Main Differences Between an Orca and a Dolphin. Here are the top five main differences between the orca and the dolphin: . Appearance: Orcas are black and white with a large dorsal fin, whilst dolphins are grey and sleek, with a longer beaked mouth.; Size: Orcas are much larger, at 6-8 metres … sprayguns automotive specialists