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...
What did the earliest vascular plants have? Where is the stamen found? What do anisakid nematodes thrive on? Are all dicots herbaceous flowering plants? What is the outer layer of a plant leaf called? What is self pollination in plant biology?
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.
crushed up infected tobacco leaves and injected the resulting juice into the veins of healthy leaves, the once-healthy leaves developed the speckling and discoloration characteristic of the diseased plants. Mayer correctly surmised that whatever was causing tobacco mosaic disease was in the leafy juice...
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 ...
Oak galls, also called oak apples, are a common phenomenon produced by the oak trees' reaction to wasps that lay their eggs inside of the oak bark. Oak galls are high in tannic acid and have been used traditionally as medicine by many cultures around the world; they are also a source ...
aAtFRO2 and AtFRO3 are mainly expressed in roots of Arabidopsis, AtFRO5 and AtFRO6 in shoots and flowers, and AtFRO7 in cotyledons and trichomes, whereas AtFRO8 transcription was specific to leaf veins (Wu et al., 2005). AtFRO2和AtFRO3用Arabidopsis根在射击和flowers在盾状体和tr...
Note the markings on the wings suggesting the veins of a leaf.Of course, no defense strategy is 100% effective. Birds and other sharp-eyed predators can pick up the presence of cryptic insects by their symmetrical shapes. Tropical katydids have gotten around this by having asymmetrical wing ...
Strawberry plants spread through thin stalks called runners. 3 Stem The main ascending part of a plant; a stalk or trunk. Stalk A stem or main axis of a herbaceous plant. Stem A slender stalk supporting or connecting another plant part, such as a leaf or flower. Stalk A stem or similar...
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.