Usa "larva" in una frase
larva frasi di esempio
larva
1. The eggs develop into legless larva that feeds on tiny amounts of organic matter for up to one month
2. Outdoors the larva will lie in a shady moist spot
3. The larva then becomes a pupa by spinning a cocoon and emerges in about a week as a hungry adult
4. ‘…at this time the larvae, which are reddish orange with black spots and are known as red efts, leave the water and spend the next few years on land…living under stones and logs in damp, wooded regions…the larva eventually return to water, develop adult coloration, and spend the rest of their lives in an aquatic habitat…’
5. Within this environment, an imperialistic larva hatched and grew into a full-fledged monster
6. Besides all natural sea salt (and lots of it), the five “grains” it is made with are: (one) wheat; (two) finely chopped hemp seed; (three) dehydrated organically grown mushroom stems; (four) termite larva that have been dried and powdered; and (five) fresh, ground up tongues from the South American blue-tongued tree frog
7. It should be a place that not only the adults are attracted to but should be a place for them to hibernate, lay eggs, and for the larva and caterpillars to feed
8. Nymphs represent the nymphal or larva stage in an insect’s life cycle
9. Since insects spend most of their life in the nymph or larva stage, this is an important stage in terms of fish forage
10. I’ve heard that up to 95 percent of a stream fish’s diet is nymphs and larva in some form
11. Since insects spend most of their life in the nymph or larva
12. They slammed into the giants like they were avenging a hive of larva that had been stepped on
13. Elsewhere there may be wind-carved mountains, dried mudflats and larva flows
14. Here he looks to find a tiny particle of the demolished larva, ofttimes not more than a speck of moisture
15. It might be thought that the amount of change which the various parts and organs pass through in their development from embryo to maturity would suffice as a standard of comparison; but there are cases, as with certain parasitic crustaceans, in which several parts of the structure become less perfect, so that the mature animal cannot be called higher than its larva
16. Numerous cases could be given among the lower animals of the same organ performing at the same time wholly distinct functions; thus in the larva of the dragon-fly and in the fish Cobites the alimentary canal respires, digests, and excretes
17. It is now known that some animals are capable of reproduction at a very early age, before they have acquired their perfect characters; and if this power became thoroughly well developed in a species, it seems probable that the adult stage of development would sooner or later be lost; and in this case, especially if the larva differed much from the mature form, the character of the species would be greatly changed and degraded
18. The belief in the essential identity of the process of alternate generation and of ordinary metamorphosis has been greatly strengthened by Wagner's discovery of the larva or maggot of a fly, namely the Cecidomyia, producing asexually other larvae, and these others, which finally are developed into mature males and females, propagating their kind in the ordinary manner by eggs
19. It is the pupa, and not the larva, of the Chironomus which has this power; and Grimm further shows that this case, to a certain extent, "unites that of the Cecidomyia with the parthenogenesis of the Coccidae;" the term parthenogenesis implying that the mature females of the Coccidae are capable of producing fertile eggs without the concourse of the male
20. The period of activity may come on earlier or later in life; but whenever it comes on, the adaptation of the larva to its conditions of life is just as perfect and as beautiful as in the adult animal
21. Owing to such adaptations the similarity of the larvae of allied animals is sometimes greatly obscured; especially when there is a division of labour during the different stages of development, as when the same larva has during one stage to search for food, and during another stage has to search for a place of attachment
22. Cirripedes afford a good instance of this: even the illustrious Cuvier did not perceive that a barnacle was a crustacean: but a glance at the larva shows this in an unmistakable manner
23. In some cases, however, the mature animal must be considered as lower in the scale than the larva, as with certain parasitic crustaceans
24. If, on the other hand, it profited the young of an animal to follow habits of life slightly different from those of the parent-form, and consequently to be constructed on a slightly different plan, or if it profited a larva already different from its parent to change still further, then, on the principle of inheritance at corresponding ages, the young or the larvae might be rendered by natural selection more and more different from their parents to any conceivable extent
25. Differences in the larva might, also, become correlated with successive stages of its development; so that the larva, in the first stage, might come to differ greatly from the larva in the second stage, as is the case with many animals
26. The abdomen under the wings of the butterfly still represents the larva
27. The gross feeder is a man in the larva state; and there are whole nations in that condition, nations without fancy or imagination, whose vast abdomens betray them
28. Seen the first larva of insect in a pond
29. This moth, whose larva is one of our most destructive enemies, belongs to the Linnæan family noctua, in the genus phalaena
30. —, on a larva, supposed to have passed from the bladder, xiii, 229