Answer:
circulatory system
Explanation:
The respiratory system works with the circulatory system to provide this oxygen and to remove the waste products of metabolism.
Oral/nasal/facial and other behaviors of sows kept individually outdoors on pasture, soil, or indoors in gestation crates are administered Individually in PIC Camborough-15 sows.
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What is gestation crates all about?</h3>
- Individually housed PIC Camborough-15 sows were observed in three different housing environments: pasture, earth, and gestation boxes. Every day, 2.0 kg of fortified sorghum-soybean diet was given to all sows.
- Two groups of gestation crates. sows were created: those fed meal and those fed pellets. Outdoor sows were given pellets, as is typical for sows on grassland and in the soil.
- There were eight sows per treatment. For a period of 24 hours, observers used a scan approach to record the occurrences of standing, lying, sitting, eating, drinking, and manipulating the environment with the mouth, nose, and face.
- The following oral, nasal, and facial habits were observed for gestation crates. chewing grass, biting fences and bars, biting rocks and soil, and rooting the ground or trough. During the 24 hour period, sows in each treatment group exhibited statistically identical frequency of all oral, nasal, and facial activities.
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Answer:
b. on the X chromosome
Explanation:
Sex-linked genes refer to genes located on sex chromosomes that are involved in determining traits. In humans, the male sex chromosome Y has few sex-linked genes. Already, the female sex chromosome X has a large amount of genes involved in determining various gender-related characteristics, so it has become usual to determine that the genes described as sex-linked are located on the x-chromosome.
Epithelia are continuous sheets of cells which are one or more layers thick, they cover the exterior surfaces of the body and communicate with the outside environment
