Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Richard A. Boolootian"'
Autor:
Richard A. Boolootian
Publikováno v:
American Zoologist. 2:275-284
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de4759acc3913a63036f54b05510420a
https://doi.org/10.1093/icb/2.2.275
https://doi.org/10.1093/icb/2.2.275
Autor:
June Thomas, Richard A. Boolootian
Publikováno v:
The American Biology Teacher. 28:13-18
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::778ed592b3dfe40eac2566a959c1238c
https://doi.org/10.2307/4441207
https://doi.org/10.2307/4441207
Autor:
Richard A. Boolootian
Publikováno v:
Helgoländer Wissenschaftliche Meeresuntersuchungen. 10:118-139
This review concerns itself with two aspects of reproductive biology: commencement of gametogenesis and spawning. The activation of gametogenesis followed by gonadal growth, with a subsequent release of gametes. The gamete formation-spawning cycle va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f2a02c1b0f0a495bfa142985f0236e7
https://doi.org/10.1007/bf01626102
https://doi.org/10.1007/bf01626102
Autor:
Richard A. Boolootian, David Leighton
Publikováno v:
Ecology. 44:227-238
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::599f0abf23ae40528b08769a090a459f
https://doi.org/10.2307/1932170
https://doi.org/10.2307/1932170
Autor:
David Leighton, Richard A. Boolootian
Publikováno v:
Contributions in science. 93:1-20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e39dbc634128e0e61aad5787d7ea0c4
https://doi.org/10.5962/p.241083
https://doi.org/10.5962/p.241083
Autor:
Richard A. Boolootian
Publikováno v:
Helgoländer Wissenschaftliche Meeresuntersuchungen. 11:118-127
1. The wall of the food canal is composed of an outer epithelium, layers of circular and longitudinal muscles, a layer of connective tissue of varying thickness, and an inner epithelium generally composed of very tall, slender cells. 2. Two kinds of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a339c6e2dc7f5e506db9f6672bee90b5
https://doi.org/10.1007/bf01611135
https://doi.org/10.1007/bf01611135
Autor:
Reuben Lasker, Richard A. Boolootian
Publikováno v:
Comparative Biochemistry and Physiology. 11:273-289
1. 1. The purple sea urchin Strongylocentrotus purpuratus digests the brown algae Macrocytis pyrifera and Egregia Laevigata with high efficiency, averaging 80 per cent digested for the former and 62 per cent for the latter. The brown algae Petalonia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4a4de3b9f8d0d9daef258b15512da88
https://doi.org/10.1016/0010-406x(64)90109-4
https://doi.org/10.1016/0010-406x(64)90109-4
Publikováno v:
BioScience. 14:24-27
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c371b4b3a506001fa0f22c0e362cbaf1
https://doi.org/10.2307/1293215
https://doi.org/10.2307/1293215
Autor:
Richard A. Boolootian
Publikováno v:
Helgoländer Wissenschaftliche Meeresuntersuchungen. 11:186-199
1. InM. muscosa shell growth slows or stops during the winter months. 2.M. muscosa in Santa Monica Bay are herbivorous and eat red and green algae as their main foods. 3.M. muscosa exhibit two distinct spawning periods which occur mainly during winte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cbd5469a7b41d2449d5abbfc8209fe5
https://doi.org/10.1007/bf01612371
https://doi.org/10.1007/bf01612371
Publikováno v:
Science. 145:173-175
A pulsating vessel and a compartmented contractile chamber have been found to move coelomic fluid from the perivisceral cavity into and throughout the hemal system of the sea urchin, Strongylocentrotus purpuratus.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e923a963794b04e3dacfe2f75e69bb11
https://doi.org/10.1126/science.145.3628.173
https://doi.org/10.1126/science.145.3628.173