Search Results for egg-cannibalism
1-17 of 17 Search Results for
The American Biology Teacher (2014) 76 (3): 178–182.
Published: 01 March 2014
... science teachers and university researchers, gathered data on egg cannibalism in a beach-spawning fish and thereby contributed to an ongoing research project. Our objectives were to provide a scientific learning experience for the students and introduce them to a college setting. A survey, given 2.5 years...
The American Biology Teacher (2014) 76 (9): 643–647.
Published: 01 November 2014
..., 6:403-I, 8:508-RL Egg cannibalism.......................3:178-A Electron transport chain.......................7:456-TT Bioinformatics.......................6:386-I Biological information.......................2:88-A Biology education.......................9:584-RL Cadaver...
The American Biology Teacher (2014) 76 (1): 34–41.
Published: 01 January 2014
... surroundings. True False It depends on the animal It depends on the location of the animal Don’t know The organ that produces sperm in male animals is the: Scrotum Prostate Penis Testes Don’t know In female animals the egg cells are produced by the: Ovaries Uterus...
The American Biology Teacher (2003) 65 (7): 523–528.
Published: 01 September 2003
... execute them. Thus, if one fears a dog, or a deer fears a wolf, there is a desire to escape. Not all appetitive behaviors involve fear, however, as Lorenz and Tinbergen (1938) also demonstrated that a goose, sitting on a nest, con- tinuously extends its head to retrieve eggs that have rolled out. It...
The American Biology Teacher (2001) 63 (4): 258–261.
Published: 01 April 2001
... that displays four life stages: the egg, the larva, the pupa and the adult. The adult female, a relatively large, night- Walter G. Goodman and Robert Jeanne are Professors in the Depart- ment of Entomology, 237 Russell Labs, University of Wisconsin-Madison, Mad- ison, WI 53706; e-mail: Goodman...
The American Biology Teacher (1994) 56 (4): 202–205.
Published: 01 April 1994
... healthy balance in the natural scheme of things. Animal Rights Some extreme activists oppose the eating of meat, milk, eggs and honey, and want to ban the use of wool, leather, silk, fur and down. They think all animals, including those in environments people have modified, should die nature's torturous...
The American Biology Teacher (1991) 53 (7): 419–424.
Published: 01 October 1991
... their body the same as the outside surroundings. a) true d) it depends on the b) false location of the ani- c) it depends on the animal mal e) don't know 3. The organ that produces the sperm in male ani- mals is the: a) scrotum d) testes b) prostate e) don't know c) penis 4. In female animals the egg...
The American Biology Teacher (1983) 45 (6): 320–354.
Published: 01 October 1983
... ROHWER S. 1978. Parental cannibalism of offspring and egg raiding as a courtship strategy. Amer. Natur. 112:429-440. 10.2307/2460011 429 WITTENBERGER, J.F. 1981. Animal social behavior. Boston: Duxbury Press. Wittenberger Animal social behavior 1981 Mad River Sculpins: Just Another Fish...
The American Biology Teacher (1986) 48 (6): 335–343.
Published: 01 September 1986
... nest chamber and rears the first brood alone. Seven dealate M. mexicanus queens were captured after their nuptial flights and placed in observation nests. They lived for periods of 181 to 384 days (mean 297.6 days), and during this time larvae were noted eating eggs (Conway 1981). Egg cannibalism (oo...
The American Biology Teacher (1983) 45 (6): 353–354.
Published: 01 October 1983
... of natural selection. New York: Dover Publications. ORIANS, G. 1969. On the evolution of mating systems in birds and mam- mals. Amer. Natur. 103:589-603. ROHWER S. 1978. Parental cannibalism of offspring and egg raiding as a courtship strategy. Amer. Natur. 112:429-440. WITTENBERGER, J.F. 1981...
The American Biology Teacher (1976) 38 (4): 216–221.
Published: 01 April 1976
... by maintaining a permanent colony: how the nymph grows by molting and developing a series of new outer coverings, how the male cricket can produce sounds by rubbing its body parts together, how the adults carry on courtship and mating, how the eggs are laid, and how both nymphs and adults feed. These...
The American Biology Teacher (1975) 37 (1): 51–52.
Published: 01 January 1975
... Films (address unavailable): Stream Coronet Instructional Films, Chicago 60601: Adaptation of Birds; Fruit Flies: an Inquiry into Behavior; and The Egg Becomes a Chick CRM Educational Films, Del Mar, Calif. 92014: The Cell: a Functional Structure and Evolution and the Origin of Life Dimension Filns, Los...
The American Biology Teacher (1971) 33 (7): 421–423.
Published: 01 October 1971
... the petri dish. Care must be taken to prevent larvae from remaining together too long, because cannibalism may result. When the larvae emerge from eggs, they are quite small, perhaps about 1 mm long (fig. 1). They have flat, elongated bodies that taper at both ends. The head bears a pair of long...
The American Biology Teacher (1975) 37 (1): 12–50.
Published: 01 January 1975
..., cousins, and so forth. A pair of identical twins, for example, arise from a single fertilized egg that misdivides during early development, thus giving rise to two genetically identical individuals. Ordinary brothers and sisters (including fraternal twins, siblings who by accident are born simultaneously...
The American Biology Teacher (1946) 9 (2): 54–55.
Published: 01 November 1946
..., internal views -spots, webs, spleen, bile duct, fat bodies, . Every portion of the ranai- cal anatomy has an enchantment all its own. The tenth "Mine's full of eggs!" causes as much excitement as the first.. But the moment of greatest anticipation comes when the stomach is to give up its 1946] What a...
The American Biology Teacher (1945) 7 (4): 83–85.
Published: 01 January 1945
... the development of the eggs and larvae of these tree-hole forms is desired it is necessary to furnish some material which would be satisfactory to the organism for egg laying. For studies and demonstrations involving small samples and the rearing of these larvae a wooden block with a cavity (Fig. 2, B...
The American Biology Teacher (1941) 3 (6): 195–198.
Published: 01 March 1941
... individual in miniature within the germ cell, and their will to believe made up for many a detail which their eyes, through microscopes already efficient, could scarcely have seen. Some sketched the organism within the egg, but others with equal assurance saw it within the sperm. Only to those familiar with...