Results 201 to 210 of about 159,348 (357)

The As and Bs of titi monkey linguistics: why emotional communication is not the enemy

open access: yesBiological Reviews, EarlyView.
ABSTRACT The alarm call sequences of titi monkeys (genera Plecturocebus, Callicebus and Cheracebus) have sparked important debates over whether they exhibit parallels with human language. Some researchers consider these sequences to involve both semantics and syntax, while others argue that the sequences convey semantic information without syntax.
Mélissa Berthet   +2 more
wiley   +1 more source

Reading hominin life history in fossil bones and teeth: methods to test hypotheses regarding its evolution

open access: yesBiological Reviews, EarlyView.
ABSTRACT Human life history is derived compared to that of our closest living relatives, the great apes. It has been suggested that these derived traits are causally related to aspects of our ecology, social behaviour and cognitive abilities. However, resolving this requires that we know the evolutionary trajectory of our distinctive pattern of growth,
Paola Cerrito   +2 more
wiley   +1 more source

Irrigated Birdsfoot Trefoil Variety Trial: Forage Yield

open access: yes, 2013
Like alfalfa, birdsfoot trefoil is a deep-rooted legume that fixes its own nitrogen. However, it contains a small amount of tannin which means that cattle and sheep will not bloat, even when grazing birdsfoot trefoil in pure stands. In this bulletin, we report on the dry matter production of a number of cultivars of birdsfoot trefoil and find that it ...
MacAdam, Jennifer W., Griggs, Thomas C.
openaire   +1 more source

Subterranean environments contribute to three‐quarters of classified ecosystem services

open access: yesBiological Reviews, EarlyView.
ABSTRACT Beneath the Earth's surface lies a network of interconnected caves, voids, and systems of fissures forming in rocks of sedimentary, igneous, or metamorphic origin. Although largely inaccessible to humans, this hidden realm supports and regulates services critical to ecological health and human well‐being.
Stefano Mammola   +30 more
wiley   +1 more source

Stomatal Traits and Barley (Hordeum vulgare L.) Forage Yield in Drought Conditions of Northeastern Mexico. [PDF]

open access: yesPlants (Basel), 2021
Rahim FP   +4 more
europepmc   +1 more source

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