Parasitism is when one organism benefits at the cost of it's host. Like fleas on a dog or intestinal parasites to livestock. Fleas and intestinal worms get food and a nice place to livr, while the dogs and the livestock are being leeched off of and malnourished.
Commensalism is when one organism benefits, while the host is left unharmed- but also doesn't really get anything in return, unlike mutualism. Like a shark and remoras (those fish with suction-cup heads & hitchhike). Sharks aren't hurt, but the remoras get free transportation and access to food scraps.
Hope this helps!
Answer:
Yes
Explanation:
Mendel's law of segregation states that every individual possesses two alleles, and only one allele from each parent is passed on to the offspring. That means that you get 23 chromosomes from each of your parents.
In the treatment applied to dogs, in 22% of the dogs, the cell specialization process was not successful because the stem cells did not improve the arthritis problem
Stem cells are a type of cell that can transform into any of the 44 types of cells in the body, in a process called cell specialization. For instance:
- Neurons
- Sperms or ovules
- Pneumocytes
- Cells of the epidermis
Cell specialization is a term that refers to the process in which stem cells change from one cell type to another, stem cells modify their genetic expression, acquire specific morphology and functions.
According to the above, the treatment process that was not successful in 22% of the dogs was the cell specialization process, so they could not become the type of cell required to improve the condition of the dogs.
Learn more in: brainly.com/question/12730320
Answer:
D
Explanation:
Clams naturally filter out contaminants in water
Without the clams, the water quality will drop dramatically, as the local ecosystem will lose its natural filtration system
