Zoologists may categorize the diversity of animals by general features of morphology and development. A group of animal species that share the same level of organizational complexity is called a grade. Certain body-plan features shared by a group of animals define a grade. Animals can be categorized according to the symmetry of their bodies.
The community relationship between human beings and the Greater Honeyguide bird is best described with the term mutualism. We know how humans are benefited from this relationship. How are the birds benefitted?
Systematists are now conducting large-scale analyses of multiple genes across a wide range of animal phyla, in an effort to gain a clearer picture of how the diversity of animal body plans arose.
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Text Preview: Question 1 3.2 out of 3.2 points The best term to describe the species-species interaction between Pseudomyrmex ants and the bullhorn acacia plant would be Selected Answer: mutualism. Question 2 3.2 out of 3.2 points The large eukaryote, Pisum sativum belongs to the large "Group" Plants because it Selected Answer: is multicellular, eukaryotic, and does photosynthesis in ...
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View Quiz 8.docx from BIOL 101 at Liberty University. Quiz 8 Question 1 3.2 out of 3.2 points When a species of fly has a bold coloration very similar to that of an unpalatable (stinging)
Science; Biology; Biology questions and answers; Which of the following is one of seven basic characteristics used to classify living things? possession or lack of lysosomes
Animals have other unique types of intercellular junctions, including tight junctions, desmosomes, and gap junctions, which hold tissues together. These junctions are also composed of structural proteins.
By 460 million years ago, arthropods began to adapt to terrestrial habitats.
The evolution of the Hox complex provided the developmental flexibility that resulted in variations in morphology.
Animals take in preformed organic molecules through ingestion, eating other organisms or organic material that is decomposing. Animal cells lack cell walls that provide structural support for plants and fungi. The multicellular bodies of animals are held together by extracellular structural proteins, especially collagen.
Concept 32.1 Animals are multicellular, heterotrophic eukaryotes with tissues that develop from embryonic layers. There are exceptions to nearly every criterion for distinguishing an animal from other life forms. However, five criteria, taken together, comprise a reasonable definition. Animals are multicellular, ingestive heterotrophs.
The name Lophotrochozoa refers to two characteristic features of animals in this clade. Some animals, such as ectoprocts, develop a lophophore, a horseshoe-shaped crown of ciliated tentacles used for feeding. Other phyla, including annelids and mollusks, have a distinctive larval stage called a trochophore larva.
The resulting development stage is called a gastrula.
List these four taxonomic levels in their correct order from the smallest to the most inclusive: Family, Genus, Order, species.
Distasteful products of metabolism, thorns, fuzzy structures and predator satiation are all defense tactics. What large group of organisms use these tactics to keep from being preyed upon or to minimize the effects of such predation?
The relationship between the wildebeest species and Thompson's gazelle species represents a good example of commensalism.
They can't thrive up in the higher zones.
Geographic isolation and different environments led to changes in traits that affected mating.
The Grants testing their hypothesis with bird sounds.
Different finch species have beaks of different shapes and sizes. What do these beak differences tell us?
List these four taxonomic levels in their correct order from the smallest to the most inclusive: Family, Genus, Order, species.
Distasteful products of metabolism, thorns, fuzzy structures and predator satiation are all defense tactics. What large group of organisms use these tactics to keep from being preyed upon or to minimize the effects of such predation?
The relationship between the wildebeest species and Thompson's gazelle species represents a good example of commensalism.
They can't thrive up in the higher zones.