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postnew [5]
3 years ago
14

Bats share the same bones of the forelimb as humans, including a humerus, radius, ulna, wrist and hand bones, that they both inh

erited from a common ancestor. Though our arms and the arms of bats function differently ibats fly, and we do nott), the shared forelimb structure is an example of:
a. homology
b. phylogeny
c. analogy
d. systematics
Biology
1 answer:
Sever21 [200]3 years ago
8 0

Answer:

Homology is similarity due to shared ancestry between a pair of organisms in different taxa. Both bats and humans have a common mammalian ancestor.

They diverged and adapted their arms for different functions.

Explanation:

Homologous features are physical features shared due to evolutionary history (a common ancestor).

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The DNA replicates it’s information in a process involving many enzymes. The DNA code for production of messenger is RNA. I’m eukaryotic cells, the MRNA is processed and migrates from the nucleus to the cytoplasm.

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Have a grat day!! <3
4 0
3 years ago
During the Devonian period of Gondwanaland what were the two organisms that thrived?
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Answer:

about the Trilobites is =Trilobites ( /ˈtraɪləˌbaɪt, ˈtrɪ-, -loʊ-/;[4][5] meaning "three lobes") are a group of extinct marine artiopodan arthropods that form the class Trilobita. Trilobites form one of the earliest-known groups of arthropods. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period (521 million years ago), and they flourished throughout the lower Paleozoic before slipping into a long decline, when, during the Devonian, all trilobite orders except the Proetida died out. The last extant trilobites finally disappeared in the mass extinction at the end of the Permian about 252 million years ago. Trilobites were among the most successful of all early animals, existing in oceans for almost 300 million years.[6] . and about the algae is =Algae (/ˈældʒi, ˈælɡi/; singular alga /ˈælɡə/) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular microalgae, such as Chlorella and the diatoms, to multicellular forms, such as the giant kelp, a large brown alga which may grow up to 50 metres (160 ft) in length. Most are aquatic and autotrophic and lack many of the distinct cell and tissue types, such as stomata, xylem and phloem, which are found in land plants. The largest and most complex marine algae are called seaweeds, while the most complex freshwater forms are the Charophyta, a division of green algae which includes, for example, Spirogyra and stoneworts.

Explanation:

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3 years ago
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Lesechka [4]

Answer:

atoms

Explanation:

Atoms are the building blocks of elements.

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In flowering plants, sperm cells are made by the:<br><br> ovary<br> cone<br> spore<br> anther
77julia77 [94]

Answer:

Animal life cycles have meiosis followed immediately by gametogenesis. Gametes are produced directly by meiosis. Male gametes are sperm. Female gametes are eggs or ova.

The plant life cycle has mitosis occurring in spores, produced by meiosis, that germinate into the gametophyte phase. Gametophyte size ranges from three cells (in pollen) to several million (in a "lower plant" such as moss). Alternation of

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