The leaves of conifers are either called needles or scales. These represent the two different leaf types commonly found on conifers. Needles are the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
Leaves are the primary photosynthetic organ of a plant system. They contain numerous amounts of chloroplasts that produce pigments. The pigments are responsible for trapping solar energy and converting it into chemical energy, which are stored as edible sugars in various parts of the plant....
A vessel is a general term for any tubular structure carrying blood or lymph in the body, while a vein is a specific type of blood vessel that returns deoxygenated blood to the heart, except for pulmonary veins.
According to a 1972 article published in the journalBacteriological Reviews, Ivanovsky passed the juice from infected leaves through a Chamberland filter, which is fine enough to capture bacteria and other known microorganisms. Despite the sieving, the liquid filtrate remained infectious, suggesting a n...
Giant Amazonian lily pads are the world’s largest and strongest floating plants. How they’re built is inspiring real-world structures from skyscrapers to wind turbines.
Insects arearthropods. All animals in the phylum Arthropoda have hard external skeletons called exoskeletons, segmented bodies, and at least three pairs of legs. Other classes that belong to the phylum Arthropoda include: Arachnida(spiders)
and arms. The inferior vena cava is the largest vein in the human body. It carries deoxygenated blood from body parts located below the heart, such as the abdomen and legs. The superior vena cava and inferior vena cava are two large veins that drain deoxygenated blood into the right atrium...
Arteriovenous malformations (AVMs) are abnormal connections between the blood vessels. The arteries and veins tangle together and form unusual connections. These unusual connections occur during the development of the fetus before birth. AVMs mostly occur in the brain and spinal cord, but they can ...
Both moths and butterflies are actually in the final act of a four-stage life cycle that Lepidoptera share. This cycle begins with the egg, passes through the caterpillar (larva) and the chrysalis (pupa) stages, and finally ends with the adult stage, generally called the imago, which can ...
Sometimes, the veins of rose bush leaves will turn yellow. Often, the leaves will then become brown and dry and drop off the plant. Oxygen deficiency causes this in rose bushes, and is often present in plants that have poor drainage and are constantly sitting in soggy soil. To save a ro...