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hoa [83]
3 years ago
12

A hope spot is a

Biology
1 answer:
IRINA_888 [86]3 years ago
8 0

Answer:

A hope spot is an area of an ocean that needs special protection because of its wildlife and significant underwater habitats. The two group of islands, considered extremely rich in marine biodiversity, are the first places in India to have been added in the list of 50 global 'hope spots'.

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What are the factors that contributed to the success of pteridophyte as land plant
Anna35 [415]

Two factors contributed to the success of the pteridophytes: the extreme miniaturization of the gametophytic generation and an important development of the sporophytic generation (development of the tree forms).

Pteridophytes are a group of plants that peaked in the Carboniferous (-300 million years). It is the first great terrestrial plant civilization. These plants would have appeared in the Devonian -400 million years ago, perhaps from certain primitive terrestrial plants which, unlike bryophytes, would have favored the diploid generation on the haploid generation.

Particularly well adapted to terrestrial life, they have created, thanks to the development of tree forms, immense forests whose fossilization is at the origin of coal deposits.

Pteridophytes are at the origin of an evolutionary lineage based on the extreme miniaturization of gametophytic generation and an important development of sporophytic generation, leading to all tracheophytes including current flowering plants. Pteridophytes are well adapted to terrestrial life, however fertilization still requires the presence of water since male gametes are swimmers.

8 0
3 years ago
What are the reason for which people deposit money in a bank ?​
IRISSAK [1]
So when they get robbed all their money doesn’t get stolen and it’s safe
7 0
3 years ago
Which of the following is a cluster of cells that surround a developing egg in the ovary
Sidana [21]
The answer will be follicle
6 0
3 years ago
2. Identify the epithelial tissue that is most suited to each of the following functions. a. diffusion of gases across lung air
Delicious77 [7]

Answer:

e. secretion, absorption and chemical protection

Explanation:

Epithelial tissues is responsible for the protection of the skin, absorption of nutrients during digestion and secretion of waste materials. These tissues form covering to all body surfaces. They also perform a variety of other functions such as excretion of waste substances, filtration of air from dirt and particles and clean the air that is inhaled, diffusion, and sensory reception.

7 0
3 years ago
HELP ASAP
Gnom [1K]

Answer:

less than 1%

Explanation:

The approximate percentage of the geologic time that humans have existed on the Earth since its origin is less than 1%.

The earth is about 4.6 billion years and much of its history has been without the present of human activities.

  • Hominis were the first human to appear on the surface of the earth.
  • This was in the Miocene epoch which was about 6 million years ago.
  • Compared to the age of the earth, this time lapse is very small and not up to 1%.
  • Life first appeared on earth about 3.5billion years.
  • Since then evolution has taken its due course to give what we have today.
6 0
3 years ago
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