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Ivan
3 years ago
7

Provide one reason that preventing fusion of multiple sperm with one egg in sea urchins has provided a survival advantage over e

volutionary time
Biology
1 answer:
natali 33 [55]3 years ago
3 0

Answer:

To produce a healthy offspring.

Explanation:

To make a healthy offspring is the reason that is responsible for preventing fusion of multiple sperm with one egg in sea urchins because if more sperm are fused with one egg, faulty segregation of chromosomes occurs during cell division that leads to the production of nondiploid cells due to which no further development occurs. So by avoiding such type of faults in the cell, only one sperm will fuse with egg not multiple sperms.

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True-breeding plant is one that can only produce plants like itself a) true<br>b) false​
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Answer:

true

Explanation:

true

8 0
4 years ago
1. Describe soil particles (sand, silt, and clay) in term of size and texture.
Y_Kistochka [10]

Answer:

Sand particles are the largest and range from 2.0 to 0.05 mm in diameter. Silt particles are smaller, ranging from 0.05 to 0.002 mm. Clay particles are smaller than 0.002 mm. Texture affects other soil properties such as bulk density, water holding capacity, permeability, and porosity.

Explanation:

6 0
3 years ago
Basidiomycetes are the only fungal group capable of synthesizing lignin peroxidase. What advantage does this group of fungi have
Ber [7]

Answer:

Bascidomycytes are one of the two large divisions within the fungi kingdom.

Explanation:

Bascidomycetes:- Bascidomycytes are one of the two large divisions within the fungi kingdom. they include certain groups such as mushrooms, puffballs, bracket fungi, jelly fungi etc.they are named so becuase these class fungi produce their basidia and basidiospores on or in a basidiocarp. The general life cycle of bascidomycetes is represented with the help of mushroom life cycle because they have close resemblances.

Advantages of Bascidomycetes

  1. Producing multiple spores externally considered to be the distinct feature of this class of fungi
  2. They posses two different extracellular enzyme responsible for the following:-  polysaccharide degradation, consisting mainly of xylanases and cellulases, degradation of  lignin and opens phenyl rings, consisting of laccases, ligninases, and peroxidases.
  3. The ability of this class of fungi to dergade lignocellulose makes it  a useful and potential component for ethanol production
  4. ligninolytic system in bascidomycetes helps in  degrading a wide range of xenobiotic compounds.
6 0
3 years ago
Can u tell me which goes which?
IRINA_888 [86]

Answer:

1. north pole

2. northern hemi

3. equator

4. southern hemi

5. im guessing its the south pole but bc i cant see it

Explanation:

3 0
3 years ago
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