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tiny-mole [99]
3 years ago
15

How did the formation of the ozone layer contribute to existence of life on earth

Biology
2 answers:
o-na [289]3 years ago
6 0

Answer:

It blocks the sun's harmful UV rays

Explanation:

scoundrel [369]3 years ago
3 0
Ozone is a gas in the atmosphere that protects everything living on the Earth from harmful ultraviolet (or UV for short) rays from the Sun
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PLEASE! URGENT HELP ASAP!!! What happens to a hurricane when it moves onto land? Why?
mel-nik [20]
When hurricane move over land they start to get weaken quickly and start to lose speed and energy because they no longer have the fuel they need which is warm moist air above the sea. 
5 0
3 years ago
A severe vitamin b12 deficiency results in what form of anemia
steposvetlana [31]
<span>pernicious form of anemia</span>
8 0
3 years ago
In the future, phylogenetic studies should be conducted to ________. In the future, phylogenetic studies should be conducted to
Artist 52 [7]

Answer:

a. resolve the branching patterns (evolutionary history) of the Lophotrochozoa

b. (the same, it is repeated)

Explanation:

Nemertios (ribbon worms) and foronids (horseshoe worms) are closely related groups of lofotrocozoa. Lofotrocozoans, or simply trocozoans (= tribomastic celomados with trocophoric larva) are a group of animals that includes annelids, molluscs, endoprocts, brachiopods and other invertebrates. They represent a crucial superphylum for our understanding of the evolution of bilateral symmetry animals. However, given the inconsistency between molecular and morphological data for these groups, their origins were not entirely clear. In the work linked above, the first records of genomes of the Nemertine worm Notospermus geniculatus and the foronid Phoronis australis are presented, along with transcriptomes along the adult bodies. Our phylogenetic analyzes based on the genome place Nemertinos as the sister group of the taxon that contains Phoronidea and Brachiopoda. It is shown that lofotrocozoans share many families of genes with deuterotomes, suggesting that these two groups retain a common genetic repertoire of bilaterals that do not possess ecdisozoans (arthropods, nematodes) or platizoos (platelets, sydermats). Comparative transcriptomics demonstrates that foronid and brachiopod lofophores are similar not only morphologically, but also at the molecular level. Although the lofophore and vertebrates show very different cephalic structures, the lofophorees express the vertebrate head genes and neuronal marker genes. This finding suggests a common origin of the bilaterial pattern of the head, although different types of head will evolve independently in each lineage. In addition, we recorded innate immunity expansions of lineage-specific and toxin-related genes in both lofotrocozoa and deuterostomes. Together, this study reveals a dual nature of lofotrocozoans, in which the conserved and specific characteristics of the lineage shape their evolution.

8 0
3 years ago
Which organism has a nerve net that allows it to respond to a stimulus in a coordinated way​
posledela

Answer:

HYDRA

Explanation:

The nerve cells are scattered in each layer of the body wall and these neurons send information from sensory organs. Based on the given choices above, the organism that has a nerve net that allows it to respond to a stimulus in a coordinated way is the HYDRA.

8 0
4 years ago
Read 2 more answers
The prevention of the long term complications associated with poorly treated diabetes mellitus by the tight regulation of blood
Tanya [424]

Answer:

sugar level

Explanation:

Diabetes mellitus , in simple language known as the diabetes , is a group of metabolic disorders which are due to increased level of blood sugar over a long period of time .

The symptoms are -

feeling thirsty , frequent urination and increased hunger .

<u>Untreated diabetes can lead to many problems , even can be fatal .</u>

The acute problems due to diabetes are - hyperosmolar , ketoacidosis or death .

There can be some serious problems which are life long -

like stroke , foot ulcers , damage to the eyes , cardiovascular disease .

7 0
3 years ago
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