Which is true about autotrophs?

a. They are primary producers

b. They make their own food.

c. They are the base of the food chain.

d. All of the choices are true.

What is an endocrine function? (Apex) A. esophageal glands release mucus into the esophagus B. salivary glands Release saliva into mouth C. swear glands release sweat to the skin D. the pineal gland releases melatonin into the bloodstream

Menkes disease is a recessive sex-linked disorder that affects copper levels in the body, leading to a copper deficiency. The Punnett square shows the genotypes for two individuals.

Which pair of organisms show convergent evolution? A) Despite being close relatives, cattle and giraffes have drastically different neck lengths. B) Ducks develop different mating dances to avoid mating with other ducks from different species.

Помогите написать сочинение по сказке кавказский пленник на тему " Жилин И Дина " с некоторыми предложениями из текста

For plants and other organisms to develop differences among their respective species the alleles of their genes must contain variations.

True or false: animals contribute most of the organic remains that form humus

What would cause a person to have headaches from the sun only when not wearing a hat?

When in the cell cycle would you find sister chromatids?

What are the four conditions able to see an object?

While the bones of this joint may fracture, they rarely become dislocated. The articular capsule and accessory ligaments of this joint make it one of the strongest structures in the body.