Answer:
A. Cluster of cells surrounding a developing egg in the uterus
Explanation:
The answer is mutation
of genes. The mutations were beneficial and gave the individuals of the population
advantage and hence increased their survival. The classic features of birds
evolved one by one and gave birds advantage over their dinosaurs counterparts, especially the feature of small size.
An example of osmosis is when the water leaves the tubules of the kidney in response to the hypertonic fluid surrounding the tubules. Osmosis in the kidneys is a filtration. Osmosis will filter the water molecules and solutes in the kidneys from the plasma to the tubule. The other choices given are not an example of osmosis. The correct answer to this question is A.
Answer:
higher-order conditioning
Explanation:
Pavlov found that a conditioned stimulus with a neutral (unconditioned stimulus ) associated, the dogs will experience the same previous salivation. First food was provided at the same time a bell ring, then the removal of the food, which was a natural trigger to making the dogs salivate was not present, still when ringing the bell, the dogs would act as if they were in front of the food.
This also called Higher Order Conditioning was the cornerstone of Pavlov findings.
The image shows the experiment:
Primate's have prehensile hands and feet. The characteristic features of primate's prehensile hands are as follows:
1. These have five digits or fingers that includes thumb that allows the animal to hold or grab any object.
2. Hands are sensitive and have touching sensation.
These properties make the life of primates easy to live on trees.
