B) abiotic factors
Abiotic means non living, and every other choice involves something living.
Answer:
B. False
Explanation:
Child-birth in mammals is not an example of endocrine-controlled negative feedback, because the production of oxytocin during childbirth doesn't result in additional oxytocin being synthesized by the posterior pituitary gland.
Oxytocin is the enzyme which is necessary at the time of birth in order to contract the walls of the uterus and expel the baby out of the body. Oxytocin levels rise at the onset of labour,causing regular contractions of womb and abdominal muscles. Oxytocin induced contractions become stronger and more frequent without the influence of progesterone and estrogen, which at high levels prevent labour.
Answer:
In seedless vascular plants, such as ferns and horsetails, the plants reproduce using haploid, unicellular spores instead of seeds. The spores are very lightweight (unlike many seeds), which allows for their easy dispersion in the wind and for the plants to spread to new habitats.
Answer:
Biotechnology is used to modify organisms, genetically, the effect of which is still not known. These genetically modified organisms, including bacteria, can escape in the wild and may disturb the balance of the ecosystem. This, as a result, may hurt biodiversity
1 dal = 10L
Therefor, 2.4 dal = 2.4 x 10 = 24
Our answer: 24
