The percentage of water in blood is 55 percent
Answer:
D.
Explanation:
Loamy soil is made up of equal parts sand, clay and silt. These equal proportions provide the required growing solutions for plants, and make loam ideal for gardening.
Hi there!
A prezygotic isolating mechanism is a mechanism that causes something to happen, not allowing the organisms to breed before fertilization. I'll explain each one for you.
A - That is postzygotic because the organisms were not stopped before fertilization. The result is a sterile organism.
B - Again, that is postzygotic because the organism was produced.
C - This is prezygotic! The sperm dying shows that something is in action to prevent fertilization, meaning that it cannot happen.
D - Fertilization was successful, so it is postzygotic.
ANSWER:
C - the sperm dies when it reaches the female tract
If you need help with any more problems, feel free to message me and I'd be more than happy to help you work through them and provide explanations.
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
Answer:
d increase of antibiotic resistance in bacteria
Explanation:
Increasing number of antibiotic resistance in bacteria reinforces Darwin's idea of evolution by natural selection.
Charles Darwin was one of the foremost scientist that researched about evolutionary trends in organisms.
One of his revolutionary works is the idea of natural selection. In natural selection, certain phenotype are favored due to environmental influence and this makes them have evolutionary advantages.
He suggested that organisms that have evolved certain genetic make up will survive competition and would naturally be favored.
Increasing antibiotic resistance in bacteria is one of such example.