<span>During JURASSIC period the first true mammals appear.</span>
Answer;
Both genes and the environment
Both genes and the environment direct and produce human behaviors, personality traits, and even psychological disorders.
Explanation;
-Human behavior is determined by complex interactions of both nature and nurture. Genetic make up of a person together with the environment influences the physical and behavioral characteristics of an individual.
-Personality is a complex trait that is influenced by many different genetic and environmental factors. Personality traits are also polygenic trait because multiple genes are involved in determining these traits. Because a large number of genes each playing a small role in determining our personality, it is difficult to isolate and identify these genes.
Answer:
The texture of an igneous rock is dependent on the rate of cooling of the melt: slow cooling allows large crystals to form, fast cooling yields small crystals.In addition to texture, igneous rocks may are classified according to their chemical composition.
Explanation:
For question 1:
Look at the graph. In the beginning we start out with a feed of 75% wheat and 25% corn. The weight of the pig is 40. Look at the rest of the graph. Each time they lessen the amount of wheat the pigs eat and add more corn, they get heavier. By the end, the pigs are fed a blend of 25% wheat and 75% corn and they weigh 61 pounds. The answer would be C.
Answer:
fertilization is the process of fusion of gametes from two parents. gametes are produced as a result of meiosis in which crossing over and recombination produces new combinations of genes and sometimes mutations are also occur which also leads to development of unique characteristics.
this is the main reason that kids from same parents are genetically unique.
Explanation:
