Animals with an exoskeleton are able to continue to grow by employing the practice of ____________, which can be defined as____________.
With respect to egg fertilization and protection, the primitive, ancestral state in the animal kingdom is believed to be one in which eggs and sperm are _________ into water and brought together by water currents, after which parents provide ________ care to fertilized eggs.
The more complex the animal in the animal kingdom, the ________ the number of eggs that are likely to be produced and the _________ amount of care parents are likely to provide to fertilized eggs.
The amniotic egg, which evolved in ________, was important because it allowed eggs to be laid ________.
Sexual reproduction in animals entails a fusion of ____________ and ____________ from different individuals.
Budding, fission, and parthenogenesis are all forms of _________ practiced by animals. In parthenogenesis, an ____________ develops into an adult organism.
An animal that possesses both male and female sex organs is known as a ________.
Sponges obtain nutrition and oxygen, and get rid of wastes, by ________through themselves.
The three most familiar classes of molluscs are the gastropods, one example of which is ; the bivalves, one example of which is ________; and the cephalopods, one example of which is ________.
Cnidarians tend to exhibit both a mobile ________ stage in which their mouths are on ________ of their bodies, and a sessile ________ stage, in which their mouths are
All arthropods share the features of an ________or external material that provides support and protection, and ________, ________ appendages.
Every cell in a flatworm of phylum Platyhelminthes must get its oxygen directly from the environment around it because flatworms lack a ________ system.
Which of the following traits are not shared by all chordates at some point in their lives: notochord, dorsal nerve cord, exoskeleton, pharyngeal slits, sessile living, post-anal tail?
The sponges in phylum Porifera are outliers in the animal kingdom in that, almost alone among animals, their bodies are not composed of ____________ and their body structure lacks the quality of ____________.
All animal phyla except sponges and cnidarians exhibit __________ symmetry in their body plans, meaning a symmetryin which ______ of their body are mirror images of one another.
A coelom is an internal ___________ possessed by almost all animals except sponges, jellyfish, and flatworms.
A feature common only to animals is that all animals pass through a ____________ stage in their ____________ development.
Four other features that all animals share are that they are ____________ for at least part of their lives, ____________, __________, and their cells do not have
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If the sum of 14 terms of an A. P is 1050 its first term is 10 find 20th term ?
Diagonals of a quadrilateral 30 cm long and the perpendicular drawn from the opposite vertices are 5.6 and 7.4 cm find the area of the quadrilateral.with steps ?
Find the sum of the integers between 10 and 30 including 10 and 30 which are not divisible by 3.
A cyclic quadrilateral pqrs are where PS equals to PQ and angle SPQ is 70 degree find angle psq