please answer to the following book back questions the question is for 30 points
Answers
Answer:
9. Probiotics are good bacteria found in fermented/cultured foods that find a home in our digestive system. These beneficial microorganisms assist with normal digestion and benefit our immune system. example- Lactobacillus
Pathogenic bacteria =They are the bacteria that are harmful for living organisms and cause diseases in their host organisms .example-streptococcus pneumoniae.
10. They are sterile because they can't make sperm or eggs. They have trouble making sperm or eggs because their chromosomes don't match up well.
Horses have 32 pairs of chromosomes while a donkey has only 31. As a result, their offspring will inherit 32 horse chromosomes and 31 donkey chromosomes, which leaves one chromosome that can’t match with anything. In mules, this extra chromosome poses a problem when it comes to creating sex cells.
11. obligate carnivores – need meat to survive (‘hypercarnivores’)
- mostly solitary, secretive and nocturnal
- many occupy forested habitats
- huge variation in size 2 kgs to 300 kgs
- acute senses - hearing, smell, vision and touch
- powerful and flexible bodies
- sharp claws and teeth
- well-padded toes
12. Darwin's book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection. The book presented a body of evidence that the diversity of life arose by common descent through a branching pattern of evolution.
13. (i) Deforestation.
(ii) Expansion of human civilizations in their habitats.
(iii) Search for food.
14. Zoo:
In a zoo, animals can be bought, sold, can make them breed or trade.
Animals are often "overbred".
Animals are obtained to "satisfy the interests" of the zoo.
Wildlife Sanctuary:
Sanctuary does not "breed, buy, sell or trade" animals.
Animals are "not often overbred".
Only those animals are acquired who can "no longer survive in the wild"
15. Bacterial taxonomy based on phenotypic properties has encountered several problems; many organisms grow too poorly under laboratory conditions to be studied: the same phenotypic property often arises independently in more than one branch of a phylogenetic sometimes become unwieldy.
16. Latin and Greek are used for the biological names because they have a bigger and harder word and also have more syllabuses with abstract meaning. The role of Latin and Greek words are used in classification especially in binomial classification. In that, the name of the author is kept in Roman script.
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A communication breakdown occurs when communication is incomprehensible to one party or entirely absent between two people.