close-up hands of scientists collect water samples and inspect the discharge point from factories into the sea in an industrial area. - 生物學家 個影片檔及 b 捲影像00:11
male and female researchers examine treated wastewater from a factory that is discharged into the sea. - 生物學家 個影片檔及 b 捲影像00:28
biologists conducting bat studies, bat research and conservation, wildlife management, biological and ecological studies of bats - 生物學家 個影片檔及 b 捲影像00:35蝙蝠
fish & wildlife service supervisory biologist john vrandenburg and u.s. fish & wildlife service contractor dom sterling inspect a dead duck they... - 生物學家 個影片檔及 b 捲影像00:26
in the crystal-clear waters of cape greco, on the southeast coast of cyprus, marine biologists install floating nurseries in a pioneering effort in... - 生物學家 個影片檔及 b 捲影像09:22
in the icy waters of the antarctic sea, colombian biologist andrea bonilla, an expert in marine mammal acoustics, aims to identify and understand... - 生物學家 個影片檔及 b 捲影像04:27
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 生物學家 個影片檔及 b 捲影像00:16
evolution of vascular plants: the ferns - part 1 of 28. describes the evolution of vascular systems in land plants. the highly specialized structures that occur in vascular plants are shown through investigation of the fern. explains the adaptive advantag - 生物學家 個影片檔及 b 捲影像00:37
coral nursery on the coral reefs of the society islands in french polynesia. on may 9, 2019 in moorea, french polynesia. major bleaching is currently... - 生物學家 個影片檔及 b 捲影像00:07
government considering reallocation of fishing quota; england: london: thames estuary:extvarious of river thames estuary as seen from back of boat... - 生物學家 個影片檔及 b 捲影像03:02
male biologist, scientist, in lab working w/ tweezers. mcu using tweezers to insert & connect small metal piece. vs operating electron microscope,... - 生物學家 個影片檔及 b 捲影像00:30美國
forestry professional setting transmitter on tree using ai laptop technology for forest ecosystem management - 生物學家 個影片檔及 b 捲影像00:25
female scientist working with microscope in laboratory – medical research, biotechnology, healthcare innovation and scientific experiment concept - 生物學家 個影片檔及 b 捲影像00:24體檢
transparent molecules float in a blue space, visualizing microbiology and cosmetic science. - 生物學家 個影片檔及 b 捲影像00:10
garden eels sway gently in the underwater current, peeking out from the sand with cautious eyes, highlighting their shy behavior and fascinating adaptation to their marine environment. - 生物學家 個影片檔及 b 捲影像00:13
male and female industrial engineers walk the audit environment and safety around the sewage treatment - 生物學家 個影片檔及 b 捲影像00:11
an asian female environmental scientist squats by a mangrove swamp, wearing gloves and a cap, documenting a water sample using her smartphone for field research and data collection. - 生物學家 個影片檔及 b 捲影像00:07
garden eels sway gently in the underwater current, peeking out from the sand with cautious eyes, highlighting their shy behavior and fascinating adaptation to their marine environment. - 生物學家 個影片檔及 b 捲影像00:10
scientist laeticia hedouin takes a picture of a coral on the outer slope of the reef on may 16, 2023 in tatakoto, french polynesia. tatakoto, a... - 生物學家 個影片檔及 b 捲影像00:04
scientist sorts coral samples to install them on supports in the lagoon on july 19, 2020 in moorea, french polynesia. tatakoto, a remote atoll in the... - 生物學家 個影片檔及 b 捲影像00:10
biologist alexandre merciere attaches a multi-parameter probe to measure the environmental conditions of the lagoon on december 20, 2021 in tatakoto,... - 生物學家 個影片檔及 b 捲影像00:28
biologist alexandre merciere attaches a multi-parameter probe to measure the environmental conditions of the lagoon on december 20, 2021 in tatakoto,... - 生物學家 個影片檔及 b 捲影像00:14
female woman ecologist scientist biologist researcher with test tube, microscope, soil ground plant leaf in petri dish in lab, biological research genetic engineering eco laboratory, food farming. - 生物學家 個影片檔及 b 捲影像00:09
field researchers testing water samples with portable lab equipment in a swamp forest - 生物學家 個影片檔及 b 捲影像00:24
futuristic research laboratory workstation with a microscope. scientist team working researching together - 生物學家 個影片檔及 b 捲影像00:19
modern research laboratory workstation. female scientist working on a computer. researching human brain - 生物學家 個影片檔及 b 捲影像00:22
slow motion of mature biologist explaining about foraging in forest while walking with male and female tourists - 生物學家 個影片檔及 b 捲影像00:16
male forest researcher collecting soil samples while recording data on tablet in woodland - 生物學家 個影片檔及 b 捲影像00:21
forest researcher using magnifying glass to inspect tree bark while holding tablet - 生物學家 個影片檔及 b 捲影像00:24
a male biologist and botanist is surveying and collecting data on tree growth in a peat swamp forest for research. - 生物學家 個影片檔及 b 捲影像00:17大自然
observation tourist walking in the amazon rainforest to collect information about feline species using a camera trap. - 生物學家 個影片檔及 b 捲影像00:07亞馬遜雨林
female african ethnicity scientist harvesting samples of green medical marijuana leaves - 生物學家 個影片檔及 b 捲影像00:14白人
group of scientist with a female leader wearing protective lab coats working together in a botanical laboratory. preparing samples - 生物學家 個影片檔及 b 捲影像00:13
group of scientist with a female leader wearing white protective coats working together in a botanical research laboratory - 生物學家 個影片檔及 b 捲影像00:20
soundscape ecology. field biologist does bioacoustics monitoring with ai software. - 生物學家 個影片檔及 b 捲影像00:26
male environmentalist researcher with data gathering equipment in a storm damaged forest - 生物學家 個影片檔及 b 捲影像00:16
scene of scientist finding a cure in laboratory, concept science and technology, research in the laboratory, scientist working in laboratory - 生物學家 個影片檔及 b 捲影像00:10
eva hengsberger, a biologist and employee of the viel-falter butterfly and moth monitoring program, explains the particularities of a brush-footed... - 生物學家 個影片檔及 b 捲影像00:33
eva hengsberger , a biologist and employee of the viel-falter butterfly and moth monitoring program, and friederike barkmann , a phd student in... - 生物學家 個影片檔及 b 捲影像00:09學生
video 4k prores hq. procedure of placing cryoprotectant in dish standing under microscope on laboratory table. laboratory manipulation of embryologist during cryopreservation of embryos. 4 k video - 生物學家 個影片檔及 b 捲影像00:10
two male biologist testing the water in a local river.ecologists wearing casual clothing exploring lake and taking water sample. - 生物學家 個影片檔及 b 捲影像00:15大自然
ecology: barry commoner's viewpoint - part 13 of 33. this unique introduction to the study of ecology features one of america's most outspoken biologists. dr. barry commoner explains technology's threat to the environment by describing four principles of - 生物學家 個影片檔及 b 捲影像00:30
social insects: the honeybee - part 40 of 41. shows that social insects, such as the honeybee, live in colonies and are divided into castes, each of which contributes to the life of the colony. illustrates the particular adaptation of various castes to r - 生物學家 個影片檔及 b 捲影像00:31昆蟲, 跳舞
plankton and the open sea - part 28 of 32. demonstrates the importance of the minute plankton organisms to marine food chains. typical forms of plankton are shown. photomicrography and laboratory experiments show how plankton are studied at sea, in floati - 生物學家 個影片檔及 b 捲影像00:32美國
the drug problem: what do you think? - part 8 of 27. society's most popular drug is examined from three perspectives: part 1 reveals the social aspects of drinking, reviews the history of alcohol usage, and dramatizes the economic importance of the alcoho - 生物學家 個影片檔及 b 捲影像00:29
the mayfly: ecology of an aquatic insect - part 11 of 25. because its life cycle includes both aquatic and aerial states, the mayfly is an excellent indicator of water quality in rivers and lakes. through superb photography, this film reveals the mayfly h - 生物學家 個影片檔及 b 捲影像00:39
